We all must have come across the phase: this is why women live longer than men. These are all over the social media, where men are performing more often than not, some experiments, without gears, just for fun, "in the name of science". The caption reads: this is why women live longer. However, is there really a science to it, other than the fact that women choose to do things more safely?

In the United States, women have a life expectancy of about 80, whereas men have 75. Women outlive men and this holds true regardless of the country women live, the money they make, and other factors. In fact, it is true for most other mammals too.

Dr Dena Dubal, a professor of neurology at the University of California, San Francisco told the New York Times, "It is a very robust phenomenon all over the world, totally conserved in sickness, during famines, during epidemics, even during the times of starvation."

But what are the reasons? These reasons are often more complicated and less established. It is important to note that only because women are outliving men does not mean they are living a better life. In fact, women tend to have shorter health spans, which means the number of healthy years in a person's life is less in women than men, confirmed Bérénice Benayoun, an associate professor at the U.S.C. Leonard Davis School of Gerontology.

As per a 2021 study titled, Sex differences in frailty: Comparisons between humans and preclinical models, found that women are more physically grail than men in old age. They are also more vulnerable, especially after menopause and are at more risk of developing cardiovascular issues and Alzheimer's disease because of age.

The key is in figuring out what makes one sex more resilient or vulnerable.

Genetics

For things which do not find easy explanations, scientists look for their answers in genes. Many research, including a 2020 study titled, The sex with the reduced sex chromosome dies earlier: a comparison across the tree of life, suggests that the XX set of female sex chromosomes may impact longevity. However, there has not been any clarity on how it affects longevity.

Another 2018 study titled, Female XX sex chromosomes increase survival and extend lifespan in aging mice, which was conducted by Dr Dubal's lab, looked at genetically manipulated mice with different combinations of sex chromosomes and reproductive organs. It was found that those with two X chromosomes and ovaries lived longest, followed by mice with two X chromosomes and testes. Mice with XY chromosomes had shorter life spans.

"There was something about the second X chromosome that was protecting the mice from dying earlier in life, even if they had testes. What if there was something on that second X chromosome that was in some ways a sprinkle of the fountain of youth," says Dr Dubal. While scientists have not yet looked at this factor in humans, Dr Dubal suggests that humans have the same hormones and sex chromosomes, and similar reproductive system that could corroborate the similar findings in people.

Hormones

Plenty research has shown that estrogen is responsible for longevity also effect on the immune system. The data also shows that before menopause, the female immune system tends to do better. In fact Dr Benayoun said that males tend to do much worse in response to infection.

Another 2017 study titled, Ages at Menarche and Menopause and Reproductive Lifespan As Predictors of Exceptional Longevity in Women: The Women's Health Initiative, found that women who experienced menopause later in life over the age 50 lived longer than those who experienced it earlier.

Lifestyle and Behavior

There are also disparity in behavioral patterns between men and women. This includes smoking, drinking heavily, which can contribute significantly to mortality. Women also have more "health promoting behavior", believe experts. Women are also more likely to socialize than men and thus it protects them from detrimental effects of social isolation and loneliness. In fact, a 2023 analysis published in Jama Network, titled, Widening Gender Gap in Life Expectancy in the US, 2010-2021, found that women are less likely to die by drug overdose or suicide.

A uterine growth diagnosis can be very alarming. That said, it is vital to note that such growths are often simple, run-of-the-mill fibroids. They are non-cancerous, very common, and completely harmless. At the same time, it is important to realise what uterine sarcoma is, and why fibroids are often confused with uterine sarcoma. It comes down to anatomy. The uterus consists mainly of smooth muscle tissue. A fibroid is just an overgrowth of this smooth muscle that expands over time. Uterine sarcoma is a rare cancer that originates within that very same muscle wall. Since both develop in the same spot, they tend to trigger identical symptoms—like unexpected bleeding, pelvic aching, or pressure.

Why Accurate Diagnosis Matters Before Surgery

Before starting treatment, it is important to fully understand what the diagnosis is, as that is the first step to safety.

Surgeons often treat routine fibroids with minimally invasive techniques. These methods break or chop the tissue into smaller fragments so it can be pulled through tiny incisions. If a growth, however, turns out to be an unsuspected sarcoma, breaking it apart inside the pelvis can spread malignant cells. A thorough diagnostic workup beforehand makes sure nothing gets disrupted accidentally, so that the surgical team builds the safest possible treatment plan.

What You Need to Know About Fibroids

Here is some genuine peace of mind: benign fibroids don't suddenly turn into cancer. Medical research shows that malignant transformation inside an existing fibroid is exceptionally rare. Because fibroids and sarcomas are biologically different conditions from the start, monitoring a standard fibroid does not put you at risk of it turning into a tumor down the line.

Most fibroids stay completely harmless throughout life. It is, however, important to watch out for a few specific red flags:

Post-menopause changes: Fibroids shrink on their own once hormone levels drop after menopause. Any new growth or spotting at this stage demands a closer look.

Growths that keep expanding on medication: If a mass gets bigger while one is on prescriptions designed to shrink it, the patient must seek out a secondary review.

Ambiguous scans: When a routine ultrasound shows atypical tissue structure, stepping up to advanced imaging helps clear up the picture.

Next Steps and Second Opinions

Following an ultrasound, it is recommended to opt for a dedicated pelvic MRI for a much sharper view of the uterine muscle wall to confirm whether a mass is truly benign.

Getting a second opinion from a specialist is a normal, proactive move. It is especially critical if:

• A mass grows rapidly after menopause.

• A patient develops new pelvic symptoms or bleeding years after your period has stopped.
• The scans are flagged as atypical or difficult to read.

The good news is that uterine sarcomas are remarkably rare, making up just 2% to 5% of all uterine cancers. A patient needs to be cognizant by paying attention to changes in the body and asking questions about the scans.

Dr Bindhu KS - Sr. Consultant Obstetrics, Gynaecology & Robotic Surgery, Apollo Hospitals Navi Mumbai

For many women, polycystic ovary syndrome (PCOS) begins with a familiar story—irregular periods, acne, unwanted hair growth or difficulty conceiving. But PCOS is far more than a reproductive disorder. At its core, it is often a complex interplay between metabolism, hormones and reproductive health.

One of the most important, yet frequently overlooked, pieces of this puzzle is insulin resistance. When the body becomes less responsive to insulin, the pancreas compensates by producing more.

Elevated insulin levels can, in turn, contribute to increased androgen production by the ovaries and disrupt the delicate hormonal signals required for regular ovulation. The result may be irregular cycles, fewer ovulations and, for some women, difficulty becoming pregnant.

PCOS And Insulin Resistance Can Affect Women Of Any Weight

Importantly, PCOS and insulin resistance are not synonymous with obesity. Women with a healthy body weight can also have significant metabolic abnormalities. This is why judging metabolic health by appearance alone can be misleading.

The 2023 International Evidence-based PCOS Guideline recognises insulin resistance as an important underlying feature and recommends attention to metabolic risk across the weight spectrum.

Also read: Decoding The Fertility Markers

The Metabolic Risks Go Beyond Fertility

The metabolic implications extend well beyond fertility. Women with PCOS have a higher risk of impaired glucose tolerance and type 2 diabetes, making long-term metabolic surveillance an important part of care.

The guideline recommends appropriate glycaemic assessment, particularly when pregnancy is being planned or fertility treatment is being considered.

Also read: Can Regular Consumption of Junk and Processed Food Affect Fertility?

Building A Healthier Foundation For Pregnancy

Yet there is an equally important message of hope: PCOS does not mean infertility, nor does it have to define a woman’s health journey. Lifestyle interventions—including regular physical activity, nutritious eating, adequate sleep and sustainable weight management where appropriate—form the foundation of care and can improve metabolic health.

For a woman planning pregnancy, the goal should not simply be to “get pregnant.” It should be to enter pregnancy metabolically and emotionally healthier, with blood sugar, blood pressure, nutrition, lifestyle and other risk factors appropriately addressed.

Take-home message: PCOS is not merely about irregular periods or cysts on the ovaries. It is a lifelong condition in which metabolic health and reproductive health are deeply connected. Recognising insulin resistance early, looking beyond weight, and providing personalised care can help women protect both their fertility today and their health for years to come.

The view generally is that the occurrence of knee issues is usually associated with age, injury or overexertion. However, there is another reason people ignore: lack of movement. If a person leads an inactive lifestyle, spending long hours sitting at a desk, working from the couch, watching TV or doing nothing physical, the eventual consequences for the knees might arise.

Knees are created for motion, and motion is essential for keeping the flexibility of a joint. Their effective functioning depends on the health of the muscles surrounding your knee. The less active various leg muscles are, including quadriceps and other counterparts, the weaker they will be. The muscles help stabilize the knee and can relieve it from some of the burdens during daily activities performed by the knees.

Remaining seated for an extended time can also lead to stiffness. When you sit for a while, you may feel uncomfortable or stiff in your knees when you finally stand up. While the occasional instance of stiffness may go away with movement, constant stiffness can impact mobility and cause people to wish to move even less.

Another issue is gaining weight. Living a sedentary lifestyle causes individuals to become heavier, and excess weight puts more stress on the knees. In time, this added pressure will lead to increased wear of the joints and the development of knee pain and other problems in the musculoskeletal system.

The positive aspect with respect to your knees is that you don’t have to put in hours at the gym to keep them safe. Small, steady efforts can easily do the trick. You can choose to walk for five minutes after being seated for a long time, stretch regularly, take stairs if you are physically able and do some simple workouts for the legs and thighs to increase strength. Low-impact sports such as swimming, cycling and walking can help you maintain muscle power and flexible joints while avoiding the stress on your knees resulting from extensive workouts.

Persistent pain in the knee, however, cannot be treated as a usual symptom of ageing. Knee swelling or prolonged stiffness, difficulties climbing stairs, instability, or pain that has an impact on routine activities should be addressed by health professionals.

Movement is necessary for knees to be strong and flexible. Therefore, if you want your knees to be strong, you need to use them consistently and perform all activities without remaining still for long.

(By Dr Sujoy Bhattacharjee, Chairman & Chief, Max Institute of Robotic Joint Replacement, Max Super Speciality Hospital, Saket)