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When was the last time you measured your waistline? If you assume that BMI is the only number to focus on when it comes to your health, think twice. New research has revealed a shocking revelation—your waist circumference might be a far better predictor of men's cancer risk than BMI.
The study finds that for each 4-inch increase in waist size, a man's risk of cancer increases by a staggering 25%. Meanwhile, BMI, commonly regarded as the gold standard for assessing obesity, raises cancer risk by only 19% for the same weight gain. So, if you've been dismissing that pesky belly fat, it's time to take notice.
But why is your waistline so important? The reason is visceral fat—the hidden, deep fat that accumulates around your organs. Unlike other body fat, visceral fat is a stealthy troublemaker, causing inflammation, insulin resistance, and abnormal blood fat levels—all of which combine to create a cancer-perfect storm.
Obesity has been associated with an increased risk of numerous health conditions, including cancer, for decades. The research, though, indicates that a specific measure of the body—waist circumference—may be an even more reliable forecaster of cancer risk in men than the more frequently employed Body Mass Index (BMI). This finding emphasizes the need to pay particular attention to the distribution of fat and not merely to the weight of the body.
BMI has been the go-to measure for years for gauging health risks related to obesity. New research, though, that appears in The Journal of the National Cancer Institute indicates that waist measurement is a better predictor of cancer risk in men. According to the research, four more inches (10 cm) around the waist will add 25% to a man's cancer risk. Conversely, a 3.7 kg/m² rise in BMI (from a BMI of 24 to 27.7) increased cancer risk by only 19%.
Why is waist circumference a better predictor, then? Unlike BMI, which measures weight relative to height, waist circumference actually measures abdominal fat—specifically, visceral fat. This type of fat encircles internal organs and is also linked to higher levels of inflammation, insulin resistance, and abnormal blood lipids, all of which are factors in cancer growth. BMI, however, does not measure fat distribution, so two individuals with the same BMI can have very different levels of health risk depending on where fat is deposited on their bodies.
Interestingly, the research identified a significant difference between men and women when it came to waist circumference and cancer risk. Although waist circumference and BMI were linked with obesity-related cancers in women, the relationship was weaker than for men. An increase of 12 cm (4.7 inches) in waist size or a 4.3 rise in BMI (from 24 to 28.3) raised the cancer risk in women by just 13%—a much lower percentage than for men.
Experts credit this difference to the way that fat is stored in the body. Men are more likely to carry fat around the abdomen, especially as visceral fat, which is more metabolically active and associated with cancer-producing biological alterations. Women, by contrast, store fat in peripheral sites such as the hips and thighs, where it is less likely to drive systemic inflammation and metabolic disturbances.
A possible reason is that men tend to depot fat more in the visceral regions, whereas women tend to carry more subcutaneous and peripheral fat," wrote the researchers. "This may render waist circumference a more robust risk factor for cancer in men and account for why waist circumference provides additional risk information beyond BMI in men but not women."
The research used the International Agency for Research on Cancer (IARC) data to define obesity-related cancers. These cancers are esophageal (adenocarcinoma), gastric (cardia), colorectal, rectal, liver, gallbladder, pancreatic, renal, and thyroid cancers, and multiple myeloma and meningioma. In men, abdominal obesity is especially significant in raising the risk of these cancers through high levels of insulin and markers of inflammation.
For women, the research proposes that both waist circumference and hip circumference may give a more accurate estimate of visceral fat and cancer risk. "Adding hip circumference to risk models could strengthen the link between waist circumference and cancer, especially in women," researchers observed.
With these results, doctors advise men to be more mindful of their waistline than only their BMI. Waist size is an easy method to gauge health risk, and its maintenance through lifestyle changes might be the key to cancer prevention.
Track Your Waist Size: Regularly measure your waist circumference and try to keep it in a healthy range (below 40 inches for men, according to medical advice).
Eat a Balanced Diet: A diet containing high fiber, lean protein, and healthy fats can assist in limiting visceral fat gain.
Exercise Consistently: Regular exercise with a combination of aerobic and strength training will help maintain a healthy waistline.
Control Stress and Sleep: Persistent stress and inadequate sleep tend to cause weight gain, especially in the midsection of the body.
Regular Health Screenings: Early identification of cancer risk factors through regular screening can greatly enhance long-term health status.
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Thanks to growing popularity of complex and elaborate skincare trends on social media, perfect skin has become the ultimate beauty goal for many teenagers.
But experts are warning that this obsession is fueling a worrying condition known as cosmeticorexia, where young people use anti-aging and active skincare products far beyond what their skin needs, increasing the risk of irritation, allergies, and long-term damage.
Teenagers and even younger children suffer from severe skin damage, chemical burns, and dermatitis. The cause of this issue is not a common medical condition but a reflection of an unhealthy trend called cosmeticorexia (dermorexia).
This dangerous obsession pushes people to treat their skin as an unacceptable defect that needs to be constantly adjusted, filed, tightened, peeled, and made younger.
Social media and anti-aging marketing culture promote this disorder by encouraging adolescents to use various comedogenic creams, serums, and toners with harmful effects on sensitive and fragile skin. Thus, millions of teenagers damage their skin beyond repair before it naturally matures.
Also read: Is Plant-Based Vitamin D3 Really Better? Doctors Reveal the Truth
There are multiple concerns about the health of teenage skin from a medical perspective. The skin of adolescents is thinner and more sensitive to external influences.
In addition, teenagers' skin is subject to increased sebum production and associated risks of comedones, blackheads, and dermatitis.
The use of "cosmeceuticals" or prescription drugs with neurotoxins, retinol, AHA (glycolic acid), and vitamin C can accelerate skin damage when used inappropriately.
Recent research has shown that the standard skincare regimen of a teenager who follows social media and beauty vloggers includes more than eleven irritating substances. Topical application of such a combination of cosmetics damages the upper layer of the skin, provoking allergic reactions, dermatitis, redness, and irritation.
Moreover, the use of retinol and AHA (glycolic acid) without medical supervision may lead to photosensitivity, increasing the risk of UV-induced skin damage. Finally, an increasing number of cases of allergic contact dermatitis are linked to synthetic and harmful substances found in luxury cosmetic products.
Also read: Vitiligo Myths Debunked: It's Not Contagious or Caused by Food
Cosmeticorexia is an example of a psychodermatological disease, where psychological problems manifest through dermatological conditions.
The constant pursuit of flawless skin can lead adolescents to adopt harmful skincare practices that ultimately damage their skin rather than improve it.
From a medical point of view, the role of healthcare providers is to combat this dangerous trend by addressing its immediate consequences.
Teenagers' skin does not require anti-aging treatments or additional nourishment. The only essential skincare routine includes three simple steps: gentle cleansing, applying a non-comedogenic moisturizer, and using a hydrating sunscreen every day.
Doctors, parents, educators, and social media platforms must work together to counter the anti-aging industry's growing influence on teenagers.
Raising awareness about age-appropriate skincare and discouraging unnecessary cosmetic treatments can help protect young people from avoidable chemical damage and long-term skin problems.
By Dr Gaurav Garg Dermatologist & Hair Expert, Founder, Dermalife Skin Hair Clinic
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America's falling birth rate is often reported with concerns like shortage of labour, a growing aging population, and slower population growth. But another major consequence is unfolding within the healthcare system that is going unnoticed.
As fewer women have children and more delay pregnancy, women's healthcare is evolving beyond maternity care to address changing health needs.
According to the latest data from the U.S. Centers for Disease Control and Prevention (CDC), 3.63 million babies were born in the United States in 2024, a slight increase from 2023.
However, the general fertility rate fell to a record-low 53.8 births per 1,000 women aged 15 to 44, marking the lowest level ever recorded.
One of the biggest changes is maternity care. With fewer births being reported, hospitals, particularly in rural communities, are struggling to keep labour and delivery departments financially viable.
The problem has contributed to the rise of a maternity care challenge where pregnant women have limited or no access to obstetric services.
The 2024 March of Dimes Maternity Care Deserts Report found that more than one in three U.S. counties lack a single obstetric clinician or birthing facility, leaving millions of women with reduced access to prenatal and delivery care.
Women living in these areas are more likely to receive inadequate prenatal care and experience higher rates of preterm birth.
Also read: Beyond The Bump: Why Preconceptions And Antenatal Care Are Key To A Healthy Pregnancy
At the same time, healthcare providers are broadening their focus beyond pregnancy. Women today are delaying childbirth, having fewer children, or choosing not to become parents altogether.
As life expectancy increases, demand is growing for services related to menopause, cardiovascular disease, osteoporosis, pelvic floor disorders, mental health, and healthy aging.
The shift also explains why fertility care is expanding despite declining birth rates. As more Americans postpone parenthood into their late 30s and 40s, many require fertility evaluations, egg freezing, or in vitro fertilization (IVF).
Rather than indicating more births, the growing use of assisted reproductive technology reflects changing reproductive timelines.
An aging female population is also changing healthcare priorities. Older women face a higher risk of chronic diseases such as heart disease, diabetes, osteoporosis, and dementia, increasing the need for preventive care and long-term disease management.
Health systems are investing more in menopause clinics, wellness programs, and other women's health services.
America's falling birth rate is therefore reshaping far more than population statistics. It is redefining women's healthcare, shifting the focus from pregnancy-related care to comprehensive support throughout every stage of life.
On World Population Day, the conversation is not just about how many babies are being born. It is also about ensuring that healthcare evolves to meet the changing needs of women, whether or not they choose to become mothers.
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Chai and pakoras are practically non-negotiable once the rains set in. For a large number of Indians, though, monsoon comes with something less welcome: a blocked nose, itchy eyes, and a "cold" that just won't quit.
Most people write this off as a seasonal cold. It's often not. A large share of the patients I see in July aren't fighting a fresh infection. They're dealing with allergic rhinitis that's been present for months at a manageable level, and monsoon has simply pushed it past a threshold they can no longer ignore.
The scale of this is easy to underestimate. A national study under the Global Asthma Network, which surveyed more than 1.27 lakh children, adolescents, and adults across India, found that close to a quarter of Indian adolescents aged 13 to 14 live with allergic rhinitis. Roughly one in ten adults does too.
Other Indian research puts the overall incidence of allergic rhinitis anywhere between 20 and 30 percent of the population. This isn't a niche complaint. It's one of the more common chronic conditions walking through general practice doors, most of which are simply unnamed.
The same national study found something more concerning: nearly three out of four people who met the clinical criteria for allergic rhinitis had never actually been diagnosed with it. Many had lived with recurring congestion, sneezing, and disturbed sleep for years without anyone connecting the dots.
A separate survey of over 1,600 physicians across India found that while a large share see allergic rhinitis routinely in practice, more than half had never used immunotherapy, one of the few treatments that changes the course of the disease rather than just quieting it temporarily.
Indian allergen-testing data show a clear rotation of triggers through the year: dust mites dominate winter, pollens dominate summer, and fungal and insect allergens rise sharply once the rains set in.
The reason is straightforward. Once relative humidity in a city climbs past 70 percent, which happens routinely through the monsoon, fungal spores and dust mites both multiply fast. Waterlogging pushes fungal spore counts up further. A damp curtain or a mattress that never quite dries between showers becomes a long-term allergen source that outlasts any single rainy day.
Allergic skin and eye conditions tend to flare with the same seasonal humidity and allergen load as allergic rhinitis, and in practice, they rarely show up in isolation. A patient with monsoon-triggered nasal symptoms is worth a closer look for coexisting asthma, eczema, or conjunctivitis, simply because in the Indian patient population, these conditions travel together more often than not.
For anyone with a known allergic condition, a few habits make a real difference once the rains arrive:
Monsoon doesn't create new allergy patients. It reveals how well the existing ones are actually being looked after.
“Let knowledge be your shield against the changing seasons."
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