The Hidden Root Causes of PCOS Every Woman Should Know


The Hidden Root Causes of PCOS Every Woman Should Know


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 If you're struggling with PCOS symptoms like irregular periods, weight gain, or stubborn acne, you're probably tired of being told it's "just hormones" without getting real answers. This guide is for women who want to dig deeper and understand the PCOS root causes that doctors don't always explain—the hidden triggers that might be driving your symptoms behind the scenes. Most women with polycystic ovary syndrome only scratch the surface of what's really going on in their bodies. You deserve to know about the insulin resistance PCOS connection that can kickstart a flood of hormonal disorders, often years before you notice any symptoms. You also need to understand how PCOS inflammation creates a vicious cycle that keeps your hormones out of whack and why environmental toxins and hormones from everyday products might be sabotaging your progress. We'll explore how insulin resistance silently triggers your PCOS symptoms, uncover the chronic inflammation relationship that's keeping you stuck, and reveal the environmental toxins that disrupt your hormonal balance every single day. You'll also discover which nutrient insufficiencies are fuelling your PCOS development and learn about the genetic factors you can actually do something about.


 Understanding How Insulin Resistance Silently Triggers PCOS Symptoms.

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Why does your body become resistant to insulin's signals? 

Your cells are supposed to respond when insulin knocks on their doors. Still, with PCOS, the root causes of this communication system break down. Picture insulin as a key trying to unlock your cells so glucose can enter and provide energy. When you develop insulin resistance, it's like someone changed the locks without giving insulin the new key. This resistance doesn't happen overnight. Years of eating processed foods, experiencing chronic stress, and living a sedentary lifestyle gradually damage your cellular receptors. Your pancreas notices glucose building up in your bloodstream and responds by pumping out even more insulin, thinking the problem is simply not having enough of the hormone. Women with PCOS often have genetic variations that make their insulin receptors less sensitive from the start. Environmental factors, such as poor sleep, exposure to certain chemicals, and chronic inflammation, accelerate this process. Your muscle cells, which normally consume most of your body's glucose, become the first to stop responding properly to insulin's signals.


 The dangerous cycle between blood sugar spikes and hormone imbalances


 When your blood sugar levels rise after meals, your pancreas releases a surge of insulin to bring them back down. This creates a hormonal domino effect that directly triggers many PCOS symptoms. High insulin levels tell your ovaries to produce more testosterone and other androgens, leading to acne, excess hair growth, and irregular periods. The cycle becomes self-perpetuating because elevated insulin also disrupts the delicate balance of other reproductive hormones. Your body struggles to produce adequate amounts of sex hormone-binding globulin (SHBG), a protein that normally keeps testosterone levels in check. With less SHBG available, free testosterone floods your system, worsening symptoms. Blood sugar rollercoasters also stress your adrenal glands, which respond by releasing cortisol. This stress hormone further impairs insulin sensitivity and promotes fat storage, especially around your midsection.
Each blood sugar spike makes the next one more likely, creating a vicious cycle that becomes increasingly difficult to break without targeted intervention. 

How insulin resistance creates stubborn weight gain around your midsection.


 High insulin levels act like a master switch that turns your body into fat-storage mode. When insulin resistance develops, your body preferentially stores excess calories as visceral fat around your organs rather than burning them for energy. This abdominal fat isn't just cosmetic—it's metabolically active tissue that produces inflammatory compounds and further worsens insulin resistance. Your fat cells become enlarged and dysfunctional when constantly exposed to high insulin levels. They release fewer adiponectin hormones that normally help regulate metabolism and increase insulin sensitivity. At the same time, they pump out more inflammatory cytokines that interfere with insulin signalling throughout your body. The weight gain becomes particularly stubborn because insulin resistance changes how your body processes different macronutrients. Even healthy carbohydrates can spike your blood sugar when your cells can't respond properly to insulin. Your metabolism slows down as your body becomes less efficient at burning stored fat for fuel, making traditional calorie-counting approaches frustratingly ineffective.

 Simple dietary changes that restore your insulin sensitivity. 


Switching to a lower-carbohydrate approach can dramatically improve insulin sensitivity within weeks. Focus on eating protein and healthy fats first at each meal, which naturally slows glucose absorption and prevents blood sugar spikes. Quality proteins like grass-fed meat, wild-caught fish, and pasture-raised eggs provide amino acids that help repair insulin receptors. Timing your meals matters as much as what you eat. Try eating your largest meal earlier in the day when your insulin sensitivity is naturally higher, and consider intermittent fasting to give your pancreas a break. regular breaks from producing insulin. Even a 12-hour overnight fast between dinner and breakfast can start improving your metabolic flexibility. Incorporating specific foods that enhance insulin sensitivity makes a measurable difference. Cinnamon contains compounds that mimic insulin's effects, while apple cider vinegar taken before meals can reduce post-meal blood sugar spikes by up to 30%. Chromium-rich foods like broccoli and green beans help insulin work more effectively at the cellular level. 

 

Insulin-Sensitizing Foods

Blood Sugar Impact

Best Timing

Leafy greens

Very low

Any meal

Avocados

Minimal spike

Before carbs

Nuts and seeds

Low, sustained energy

Between meals

Berries

Moderate, with fibre

Morning

Fatty fish

Negligible

Dinner

   

Discovering the Chronic Inflammation Connection Behind Your PCOS



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Hidden inflammatory foods that worsen your 

PCOS symptoms daily


Your daily meals might be sabotaging your hormone balance without you realising it. Refined sugars and processed foods create rapid spikes in blood glucose, triggering inflammatory responses that directly worsen PCOS inflammation. White bread, pastries, and sugary drinks don't just affect your weight – they activate inflammatory pathways that disrupt ovarian function and insulin sensitivity.

Vegetable oils like soybean, corn, and canola oil contain high levels of omega-6 fatty acids, creating an inflammatory imbalance in your body. These oils hide in salad dressings, restaurant foods, and packaged snacks. When omega-6 intake far exceeds omega-3 consumption, your body produces more pro-inflammatory compounds that aggravate PCOS symptoms.

Gluten-containing grains can trigger inflammatory responses in sensitive individuals, even without celiac disease. This inflammatory reaction affects gut barrier function and may contribute to systemic inflammation that worsens hormonal imbalances. Dairy products, particularly those from conventionally raised cows, contain inflammatory compounds and hormones that can disrupt your endocrine system.

Trans fats found in margarine, fried foods, and processed baked goods are potent inflammatory triggers. These artificial fats interfere with cellular function and promote the production of inflammatory cytokines that worsen insulin resistance and hormonal dysfunction.

How stress hormones fuel the inflammation fire in your body


Chronic stress creates a vicious cycle that amplifies PCOS inflammation through elevated cortisol levels. When you're constantly stressed, your adrenal glands pump out cortisol, which initially helps manage inflammation but becomes problematic when chronically elevated. High cortisol disrupts insulin sensitivity, making your body more prone to inflammatory responses.

Stress hormones directly interfere with reproductive hormone production, creating imbalances that worsen PCOS symptoms. Elevated cortisol suppresses progesterone production while increasing androgen activity, leading to more severe symptoms like acne, hair loss, and irregular periods. This hormonal chaos triggers inflammatory cascades throughout your body.

The stress-inflammation connection operates through multiple pathways. Chronic stress activates your sympathetic nervous system, releasing norepinephrine and epinephrine that promote inflammatory cytokine production. These stress hormones also compromise your immune system's ability to regulate inflammatory responses effectively.

Poor sleep quality, often accompanying chronic stress, further amplifies inflammation. Sleep deprivation increases cortisol production and reduces your body's natural anti-inflammatory processes. This creates a compound effect where stress, poor sleep, and inflammation feed into each other, worsening PCOS severity.

The gut-hormone axis and its role in perpetuating inflammation


Your digestive system plays a crucial role in maintaining hormonal balance and controlling inflammation levels. The gut microbiome directly influences hormone metabolism, particularly estrogen processing. Beneficial bacteria help break down hormones properly, while harmful bacteria produce inflammatory compounds that disrupt this process.

Intestinal permeability, commonly called "leaky gut," allows inflammatory particles to enter your bloodstream. This triggers immune responses that create systemic inflammation, affecting ovarian function and insulin sensitivity. Poor gut health also impairs nutrient absorption, creating deficiencies that worsen PCOS symptoms.

Dysbiosis, an imbalance in gut bacteria, promotes the growth of harmful microorganisms that produce lipopolysaccharides (LPS). These toxic compounds trigger inflammatory responses and interfere with insulin signalling, creating a direct link between gut health and PCOS severity. Women with PCOS often show distinct patterns of gut bacteria imbalance compared to healthy individuals.

The gut produces neurotransmitters like serotonin and GABA that influence stress responses and inflammation. Poor gut health disrupts this production, affecting your body's ability to manage stress and inflammatory responses naturally.


Anti-inflammatory strategies that naturally reduce PCOS severity


Omega-3 fatty acids from sources like wild-caught salmon, sardines, and walnuts provide powerful anti-inflammatory benefits. These healthy fats help balance the omega-6 to omega-3 ratio, reducing the production of inflammatory compounds. Regular consumption of omega-3s can significantly improve insulin sensitivity and reduce PCOS-related inflammation.

Polyphenol-rich foods offer potent anti-inflammatory properties that specifically benefit women with PCOS. Berries, green tea, turmeric, and dark leafy greens contain compounds that inhibit inflammatory pathways and support hormonal balance. These foods also provide antioxidants that protect against oxidative stress associated with PCOS.

Intermittent fasting can reduce inflammatory markers and improve insulin sensitivity in women with PCOS. This eating pattern allows your digestive system to rest and promotes cellular repair processes that reduce inflammation. Start with a 12-hour eating window and gradually extend the fasting period based on your body's response.

Regular physical activity, particularly strength training and moderate cardio, naturally reduces inflammatory cytokines while improving insulin sensitivity. Exercise also promotes the production of anti-inflammatory compounds and helps regulate stress hormones that contribute to PCOS inflammation.

Stress management techniques like meditation, yoga, and deep breathing exercises directly impact cortisol levels and inflammatory responses. These practices activate your parasympathetic nervous system, promoting healing and reducing the chronic stress that fuels PCOS inflammation.



Uncovering Environmental Toxins That Disrupt Your Hormonal Balance


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Everyday household products that mimic estrogen in your body

Your home contains dozens of products that act like hormonal wolves in sheep's clothing. These xenoestrogens - synthetic chemicals that mimic estrogen in your body - can trigger and worsen PCOS symptoms by disrupting your natural hormone balance.

Cleaning supplies top the list of sneaky hormone disruptors. Many conventional cleaners contain nonylphenol ethoxylates, which break down into compounds that behave like estrogen. Your all-purpose cleaner, dish soap, and laundry detergent might be silently interfering with your reproductive hormones every time you use them.

Fragranced products present another major concern. Air fresheners, scented candles, and fabric softeners often contain phthalates - chemicals that not only mimic estrogen but can also block androgen receptors. This double whammy creates havoc for women already struggling with hormonal imbalance.

Even your furniture and carpeting can be problematic. Flame retardants used in upholstery and carpets contain polybrominated diphenyl ethers (PBDEs), which accumulate in your body over time and interfere with thyroid function - closely linked to PCOS development.

The good news? Simple swaps can make a huge difference. Choose fragrance-free cleaning products, opt for natural fibre furnishings when possible, and ventilate your home regularly to reduce chemical buildup.

How plastic chemicals interfere with your natural hormone production

Plastic surrounds us, and with it comes a cocktail of hormone-disrupting substances that directly impact PCOS development. The most notorious culprits are bisphenol A (BPA) and phthalates, which leach from plastic containers, water bottles, and food packaging into the human body.

BPA acts as an estrogen mimicker, binding to estrogen receptors and sending false signals throughout your endocrine system. Research shows women with PCOS have significantly higher BPA levels in their blood compared to healthy women. This synthetic estrogen can worsen insulin resistance - one of the primary PCOS root causes - creating a vicious cycle of hormonal dysfunction.

Phthalates, used to make plastics flexible, present an equally serious threat. These chemicals interfere with testosterone production while simultaneously acting as weak estrogens. For women with PCOS who already struggle with elevated androgens, this disruption compounds existing hormonal chaos.

Heat makes the problem worse. That plastic water bottle left in your hot car or the takeout container you microwave releases exponentially more chemicals into your food and drink. Even "BPA-free" alternatives often contain similar compounds like BPS or BPF, which research suggests may be equally harmful.

The solution involves strategic plastic reduction: use glass or stainless steel containers for food storage, avoid heating food in plastic, and choose fresh foods over packaged ones whenever possible.

The hidden endocrine disruptors in your personal care routine

Your daily beauty and hygiene routine might be sabotaging your hormonal health without you realising it. Personal care products contain a complex mix of chemicals that can disrupt endocrine function and contribute to hormonal imbalance causes.

Parabens, found in roughly 85% of cosmetics, mimic estrogen and can interfere with your body's natural hormone production. These preservatives appear in everything from shampoo to moisturisers, accumulating in your system over years of daily use. Studies link paraben exposure to increased estrogen activity, which can worsen PCOS symptoms.

Triclosan, an antibacterial agent in many soaps, toothpastes, and hand sanitisers, disrupts thyroid hormone function. Since thyroid disorders frequently co-occur with PCOS, this additional hormonal stress can exacerbate existing imbalances.

Your nail polish and hair products contain toluene and formaldehyde-releasing agents that interfere with reproductive hormones. Even worse, many conventional perfumes and body sprays contain synthetic musks that accumulate in fatty tissue and disrupt hormone signalling.

Aluminium-containing antiperspirants present another concern, as aluminium can mimic estrogen and interfere with your body's natural detoxification processes. When your detox pathways are compromised, excess hormones can't be properly eliminated, leading to further imbalance.

Reading ingredient labels becomes crucial. Look for products free from parabens, phthalates, sulfates, and synthetic fragrances to reduce your toxic load.

Creating a hormone-safe environment in your home and workplace

Transforming your environment into a hormone-supporting sanctuary requires strategic changes that address the biggest sources of endocrine disruption. Start with your air quality - indoor air can be 2-5 times more polluted than outdoor air due to chemical off-gassing from furniture, carpets, and household products.

Invest in a high-quality air purifier with HEPA and activated carbon filters to remove both particles and chemical vapours. Plants like snake plants, spider plants, and peace lilies naturally filter common indoor toxins while adding oxygen to your space.

Water quality deserves equal attention. Municipal water often contains chlorine, fluoride, and residual pharmaceuticals that can disrupt hormonal function. A good water filtration system removes these contaminants while providing clean water for drinking and cooking.

Your kitchen presents the biggest opportunity for positive change. Replace plastic food storage with glass containers, use wooden or bamboo cutting boards instead of plastic, and choose stainless steel or cast iron cookware over non-stick options that release perfluorinated compounds (PFCs).

At work, bring your own water bottle and lunch containers to avoid office microwave plastics. If possible, position yourself away from printers and copiers, which release volatile organic compounds throughout the day.

Create designated shoe-free zones to prevent tracking outdoor pesticides and chemicals inside. This simple habit dramatically reduces your family's exposure to lawn chemicals, road residue, and other environmental toxins that contribute to hormonal disruption.

Small changes compound over time, gradually reducing your toxic burden and supporting your body's natural hormone balance.

Recognising How Nutrient Deficiencies Fuel PCOS Development

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Critical vitamins your ovaries need for proper hormone production

Your ovaries are sophisticated hormone factories that require specific vitamins to function properly. Vitamin B6 plays a crucial role in progesterone production, helping to balance the estrogen dominance commonly seen in PCOS. Women with PCOS nutrient deficiencies often have low B6 levels, which can worsen irregular cycles and mood symptoms.

The B-complex family works together to support healthy hormone metabolism. Folate helps your liver break down excess hormones, while B12 supports energy production at the cellular level. Vitamin E acts as a powerful antioxidant, protecting your ovarian tissue from oxidative stress that can disrupt normal hormone production.

Vitamin A often gets overlooked, but it's essential for progesterone synthesis and healthy egg development. Many women with PCOS show signs of vitamin A deficiency, which can contribute to insulin resistance and irregular ovulation.

Why magnesium deficiency worsens insulin resistance and mood swings

Magnesium deficiency affects up to 70% of women with PCOS, creating a cascade of problems that fuel the condition. This mineral is involved in over 300 enzymatic reactions, including those that regulate blood sugar and insulin sensitivity.

When you're magnesium-deficient, your cells become less responsive to insulin, worsening the insulin resistance PCOS cycle. Your body produces more insulin to compensate, which triggers increased androgen production and weight gain around your midsection.

Magnesium also acts as nature's relaxation mineral. Low levels contribute to the anxiety, depression, and mood swings that many women with PCOS experience. Your muscles need magnesium to relax properly, which explains why a deficiency often leads to tension headaches, muscle cramps, and sleep problems.

The connection between magnesium and stress creates a vicious cycle. Chronic stress depletes magnesium stores, while magnesium deficiency makes you more sensitive to stress. This perpetual loop keeps your cortisol levels elevated, further disrupting your hormonal balance

The overlooked role of vitamin D in regulating your menstrual cycle

Vitamin D deficiency affects nearly 85% of women with PCOS, yet it's one of the most overlooked pieces of the puzzle. This hormone-like vitamin directly influences insulin sensitivity and plays a crucial role in reproductive health.

Your ovaries have vitamin D receptors, and adequate levels are necessary for proper follicle development and ovulation. Low vitamin D contributes to irregular periods, anovulation, and fertility challenges commonly seen in PCOS.

Research shows that correcting vitamin D deficiency can improve insulin sensitivity by up to 20% in women with PCOS. This improvement helps lower testosterone levels and can restore more regular menstrual cycles within three to six months of supplementation.

Vitamin D also supports immune function and helps reduce the chronic inflammation that drives many PCOS symptoms. Women with adequate vitamin D levels report better mood, more stable energy, and fewer autoimmune-related symptoms.

Essential minerals that support healthy ovulation and fertility

Several key minerals work together to support reproductive health, and deficiencies in these areas represent hidden PCOS factors that often go undiagnosed.

Zinc is critical for healthy egg development and hormone production. Women with PCOS typically have 30% lower zinc levels than women without the condition. Zinc deficiency can lead to irregular ovulation, increased androgen levels, and difficulty conceiving.

Iron deficiency affects oxygen delivery to your reproductive organs and can worsen fatigue and brain fog. Heavy periods from hormonal imbalances often create an iron deficiency, which then perpetuates the cycle of poor ovulation.

Chromium helps improve insulin sensitivity and glucose metabolism. Studies show that chromium supplementation can reduce insulin resistance and help with weight management in women with PCOS.

Selenium supports thyroid function and acts as a powerful antioxidant in reproductive tissues. Many women with PCOS have concurrent thyroid issues, and selenium deficiency can worsen both conditions.



Mineral

Primary Function

PCOS Impact

Zinc

Hormone production, egg development

Low levels worsen androgens

Iron

Oxygen transport, energy production

Deficiency increases fatigue

Chromium

Glucose metabolism

Improves insulin sensitivity

Selenium

Thyroid support, antioxidant

Protects reproductive tissues


How to identify and correct your specific nutrient gaps


Identifying your specific PCOS nutrient deficiencies requires targeted testing beyond standard blood work. Ask your healthcare provider for comprehensive nutrient testing, including serum levels of B vitamins, vitamin D, magnesium, zinc, and iron studies.

Pay attention to your body's signals. Brittle nails and hair loss often indicate zinc or iron deficiency. Muscle cramps and chocolate cravings suggest magnesium deficiency. Frequent infections and slow wound healing point to low vitamin D or zinc.

Food logs can reveal patterns in your nutrient intake. Many women with PCOS eat too many processed foods and not enough nutrient-dense whole foods. Focus on incorporating foods rich in these critical nutrients rather than relying solely on supplements.

Work with a healthcare provider familiar with PCOS to develop a targeted supplementation plan. Quality matters - choose bioavailable forms of nutrients and avoid mega-doses that can create imbalances.

Regular retesting helps ensure you're correcting deficiencies without overcorrecting.

Addressing these nutrient gaps often produces noticeable improvements in energy, mood, and cycle regularity within 2-3 months. The key is consistency and working with someone who understands how these nutrients interact with your unique hormonal profile.

Addressing the Genetic and Epigenetic Factors You Can Actually Control


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Understanding your family history without accepting defeat

Having a mother or sister with PCOS doesn't doom you to the same fate. While PCOS genetic factors play a significant role—with studies showing a 20-40% increased risk if you have a close female relative with the condition—genetics load the gun, but lifestyle pulls the trigger.

Your family history reveals valuable clues about which PCOS root causes might affect you most. If your mother struggled with weight gain and irregular periods, you might be more susceptible to insulin resistance. If your sister battles acne and hair loss, androgen sensitivity could be your primary concern.

The key is viewing your genetic predisposition as information, not a sentence. Think of it like having a genetic tendency toward high cholesterol—knowing this helps you make proactive choices rather than waiting for problems to develop. Your DNA provides the blueprint, but you're the architect who decides how to build your health.

Modern research shows that only about 30% of PCOS development stems from unchangeable genetic factors. The remaining 70% comes from epigenetic influences—environmental and lifestyle factors that determine whether problematic genes actually get activated.

How lifestyle choices can turn off problematic genes

Epigenetics revolutionises how we understand PCOS genetic factors. Your daily choices literally communicate with your genes, telling them whether to switch on or stay silent. This process, called gene expression, means you have far more control over your hormonal health than previously thought.

Diet plays a starring role in genetic expression. Anti-inflammatory foods like fatty fish, leafy greens, and berries send signals that keep inflammatory genes quiet. Meanwhile, processed foods and excessive sugar activate genes linked to insulin resistance and hormonal imbalance.

Exercise acts like a master switch for beneficial gene expression. Regular movement activates genes that improve insulin sensitivity while silencing those that promote inflammation. Even 30 minutes of daily activity can begin changing your genetic expression within weeks.

Sleep quality directly influences genes controlling cortisol production and metabolic function. Poor sleep patterns activate stress-response genes that worsen PCOS symptoms, while consistent, quality sleep promotes healing and hormonal balance.

Key Lifestyle Interventions for Genetic Expression:


Lifestyle Factor

Positive Gene Effects

Timeline for Changes

Anti-inflammatory diet

Reduces inflammatory markers

2-4 weeks

Regular exercise

Improves insulin sensitivity

4-6 weeks

Quality sleep (7-9 hours)

Balances cortisol rhythms

1-2 weeks

Stress management

Reduces stress hormone genes

2-8 weeks


The power of stress management in changing your genetic expression

Chronic stress acts like a master key, unlocking genes that worsen every aspect of PCOS. When you're constantly stressed, your body activates genes that increase cortisol production, promote insulin resistance, and trigger inflammation—a perfect storm for hormonal chaos.

Stress management techniques literally rewrite your genetic story. Meditation, deep breathing, and yoga activate genes associated with relaxation and healing while turning down the volume on stress-response genes. Research shows that just eight weeks of mindfulness practice can change the expression of genes related to inflammation and stress response.

The stress-gene connection explains why some women with PCOS genetic factors develop severe symptoms while others with similar genetics remain relatively symptom-free. Those who master stress management often experience dramatic improvements, even when their family history suggests they should struggle.

Effective Stress Management Techniques:

1. Mindfulness meditation: 10-15 minutes daily reduces stress gene expression

2. Progressive muscle relaxation: Targets physical tension that triggers stress genes

3. Nature exposure: Outdoor time naturally lowers cortisol and inflammatory markers

4. Social connection: Strong relationships buffer genetic stress responses

5. Creative activities: Art, music, and writing activate healing gene pathways

Your nervous system doesn't distinguish between real and perceived threats. Work deadlines, relationship conflicts, and financial worries all trigger the same genetic stress responses that worsen PCOS symptoms. Learning to manage your stress response gives you direct control over problematic gene activation, making stress management one of your most powerful tools for overcoming genetic predisposition.



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PCOS affects millions of women, yet many struggle for years without understanding what's really driving their symptoms. The real culprits often hide beneath the surface - insulin resistance quietly wreaking havoc on your hormones, chronic inflammation creating a cascade of problems, environmental toxins throwing your system off balance, and nutrient deficiencies that your body desperately needs to heal. Even your genes don't have to be your destiny when you understand how lifestyle choices can influence which genetic switches get turned on or off.

The good news is that knowledge gives you the power to take action. Start by working with a healthcare provider who understands these root causes and can help you create a plan that addresses your unique situation. Focus on reducing inflammation through diet, minimising exposure to hormone-disrupting chemicals in your daily life, and filling nutritional gaps with targeted supplements. Remember, healing PCOS isn't about quick fixes - it's about understanding your body's needs and giving it the support it deserves for long-term health.


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