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.

Worried that your vegetarian-only diet may not save you from cancer? A new study showed that a diet rich in fruits, vegetables, and fiber-containing foods, and no meat, can lower the risks of five cancers, namely breast cancer, prostate cancer, kidney cancer, pancreatic cancer, and multiple myeloma.

The study published today in the British Journal of Cancer, however, showed that vegetarians had nearly double the risk of squamous cell carcinoma of the esophagus, and a significantly higher risk of bowel cancer. This may be due to a lack of certain nutrients that are more abundant in animal foods, said the researchers from the University of Oxford, UK.

Also Read: Woman Lost Weight On Mounjaro But Her Breasts Didn't Stop Growing, This Is Why...

"Vegetarians typically consume more fruit, vegetables, and fiber than meat eaters and no processed meat, which may contribute to lower risks of some cancers,” said Aurora Perez Cornago, principal investigator of the study and formerly Associate Professor at Oxford Population Health.

“The higher risk of esophageal squamous cell carcinoma in vegetarians and bowel cancer in vegans may relate to lower intakes of certain nutrients more abundant in animal foods. Additional research is needed to understand what is driving the differences in cancer risk found in our study,” Cornago added.

The researchers advised eating meals around wholegrains, pulses, fruit and vegetables, and avoiding processed meat and limiting red meat to increase overall protection from cancer.

What Did The Study Find?

The findings are based on data from more than 1.8 million people from three continents.

Compared to meat eaters, about 72,000 vegetarians in the study had:

• 21 percent lower risk of pancreatic cancer
• 9 percent lower risk of breast cancer
• 12 percent lower risk of prostate cancer
• 28 percent lower risk of kidney cancer
• 31 percent lower risk of multiple myeloma

Tim Key, Emeritus Professor of Epidemiology at Oxford Population Health, and co-investigator, said the study helps to shed light on the benefits and risks associated with vegetarian diets.

The study found no statistically significant differences in risk for colorectal, stomach, liver, lung (in never smokers), endometrial, ovarian, mouth and pharynx, or bladder cancers, or non-Hodgkin lymphoma, leukemia, and esophageal adenocarcinoma in vegetarians.

Vegans had a statistically significantly higher risk of colorectal (bowel) cancer when compared with meat eaters.

Pescatarians had lower risks of breast and kidney cancers, as well as a lower risk of bowel cancer. Poultry eaters were found to have a lower risk of prostate cancer.

For the other cancers studied, there was no evidence that the risk in vegans differed from that of meat eaters, and for some less common cancers, there were too few vegan cases to analyze. Further studies are needed to confirm these results in the vegan population, the team said.

Global Cancer Burden: How Diet Influences Risk Worldwide

According to the World Health Organization (WHO), there were an estimated 20 million new cancer cases and 9.7 million deaths in 2022.

About 1 in 5 people develop cancer in their lifetime, approximately 1 in 9 men and 1 in 12 women die from the disease.

The American Cancer Society's guidelines for diet to prevent cancer include

• A variety of vegetables – dark green, red, and orange, fiber-rich legumes (beans and peas), and others
• Fruits, especially whole fruits in a variety of colors
• Whole grains
• Avoiding red and processed meats
• Sugar-sweetened beverages
• Highly processed foods and refined grain products

Data from the Indian Council of Medical Research also shows that one out of 10 cancers may be linked to diet, and over half of these are caused by eating less than five portions of fruit and vegetables a day.

It also advises against diets rich in saturated fats, red meat, and salt and poor in fiber, red, and processed meats.

Typhoid have plagued humans for millennia and many believe that in developed countries it is no longer considered a threat. However, this 'ancient killer' is still dangerous and a Lancet study published in 2022, titled: The international and intercontinental spread and expansion of antimicrobial-resistant Salmonella Typhi: a genomic epidemiology study, noted that typhoid fever is evolving extensive drug resistance, and is rapidly replacing strains that are not resistant.

As of now, antibiotics are the only effective treatment for typhoid, caused by the bacterium Salmonella enterica serovar Typhi (S. Typhi). However, in the past three decades, the bacteria's resistance to oral antibiotics have been growing.

What Did The Study Find?

In this large-scale investigation, researchers from several countries analyzed the genetic sequences of 3,489 Salmonella Typhi (S. Typhi) samples collected between 2014 and 2019 from Nepal, Bangladesh, Pakistan, and India. Their findings revealed a concerning increase in extensively drug-resistant (XDR) Typhi strains across the region.

XDR Typhi is resistant not only to commonly used first-line antibiotics such as ampicillin, chloramphenicol, and trimethoprim/sulfamethoxazole, but is also increasingly showing resistance to more advanced treatments, including fluoroquinolones and third-generation cephalosporins.

More alarmingly, these highly resistant strains are spreading quickly beyond national borders.

Although the majority of XDR Typhi cases originate in South Asia, researchers have documented close to 200 cases of international transmission since 1990. Many of these strains have spread to Southeast Asia and parts of East and Southern Africa. Additionally, cases of these drug-resistant typhoid strains have been detected in countries such as the United Kingdom, the United States, and Canada.

"The speed at which highly resistant strains of S. Typhi have emerged and spread in recent years is a real cause for concern, and highlights the need to urgently expand prevention measures, particularly in countries at greatest risk," said Stanford University infectious disease researcher Jason Andrews when the results were published.

Drug-resistant Typhoid And Warnings

Scientists have warned about the drug-resistant typhoid for years now. In 2016, the first XDR typhoid strain was identified in Pakistan.

By 2019, this had become a dominant genotype in the nation. However, by the early 2000s, mutations that confer resistance to quinolones accounted for more than 85 per cent of all cases in Bangladesh, India, Pakistan, Nepal and Singapore. At the same time, cephalosporin resistance was also taking over.

Today, only one oral antibiotics is left: the macrolide, azithromycin. However, scientists believe that this medicine may also not work for much longer.

The 2022 Lancet study reported that mutations responsible for resistance to azithromycin are increasingly emerging and spreading, raising fresh concerns among scientists. Researchers warned that this development “threatens the efficacy of all oral antimicrobials for typhoid treatment,” significantly narrowing the pool of effective medicines. Although these particular mutations have not yet been observed in extensively drug-resistant (XDR) S. Typhi strains, experts caution that if XDR variants acquire azithromycin resistance as well, treatment options would become extremely limited, creating a potentially dire public health scenario.

Typhoid fever remains a serious and potentially life-threatening illness. If left untreated, as many as 20 percent of cases can result in death. In 2024 alone, more than 13 million typhoid cases were reported worldwide, underscoring the scale of the burden.

While typhoid conjugate vaccines offer a promising tool to help prevent future outbreaks and reduce transmission, their impact depends heavily on widespread and equitable access. Without significant global expansion of vaccination coverage, health experts warn that the world could face another major public health crisis driven by increasingly drug-resistant typhoid strains.

"The recent emergence of XDR and azithromycin-resistant S. Typhi creates greater urgency for rapidly expanding prevention measures, including use of typhoid conjugate vaccines in typhoid-endemic countries," the authors write.

What Could Be Done To Prevent This From Happening?

Experts say that nations must now expand their access to typhoid vaccines and invest in new antibiotic research.

A 2021 study in India published in journal Vaccine estimated that if children are vaccinated against typhoid in urban areas, it could prevent up to 36 per cent of typhoid cases and death. Pakistan is also leading the front as it was the first nation in the world to offer routine immunization for typhoid. A small number of countries have followed the suit or are "planning or considering introduction".

The World Health Organization (WHO) too have prequalified four typhoid vaccines as of April 2025.

French fries are the top choice for binge-eating, movie night or days when you do not want to cook anything. It’s easier and faster to make. However, over the period of time, snacking on these snacks has been deemed unhealthy by people claiming it triggers several health risks

Recently, a fitness influencer, Siddhartha Singh, came into the spotlight for calling French fries the “worst food”. He called French fries the “hyper-palatable” food, items that contain high levels of sugar, carbohydrates, sodium, and fat which triggers the reward part of your brain, leading to consuming more.

“If you have one, you’ll have to eat 50. This food will put you on a blood-sugar roller coaster. High fat, high carb! You eat it, and after 10 minutes, you’re hungry again, but your blood sugar goes up and then falls.” He explains in the video that French fries absorb all the oil, and when you eat them, it goes directly into your body.

Highly processed foods are usually engineered to have enjoyable qualities of sweetness, saltiness, or richness.

Meanwhile, Aditi Prasad Apte, Senior Clinical Nutritionist at Aster RV Hospital, says otherwise and claims that fries are not entirely unhealthy but the damage caused by them depends on how they are cooked or how often they are eaten in quantity.

She explains that every food's nutritional value falls into one of two categories: healthy or unhealthy. The nutritional value of French fries depends on their cooking method and portion size. She said, "Deep-fried fries eaten frequently can contribute to weight gain, high blood pressure and heart disease due to excess calories, unhealthy fats and sodium.”

How Can It Affect Your Health?

Usually, French fries affect metabolic health. Sodium consumed, which is in high concentration in French fries, affects the kidneys and elevates blood pressure, while unhealthy fats can raise LDL, which is bad cholesterol.

Dr Apte shares that hormonal differences can also influence how fries impact men and women.

“In women, frequent consumption may worsen insulin resistance and hormonal imbalances seen in conditions like PCOS. In men, it can contribute to abdominal obesity, which is closely linked to heart disease.”

Many women have strong cravings for fries during PMS. The expert explains that fluctuating estrogen and progesterone levels can lower serotonin, a chemical which affects the mood, which leads to a craving for high-carbonated foods like fries.

She further says, it may boost mood, but excess salt can worsen bloating.

How Can You Make French Fries Healthy?

Dr. Apte also shares how fried foods can be eaten healthily:

• Baking, air frying or using minimal oil.
• A portion is about 80–100 grams, roughly a small serving.
• Roasted vegetables like carrots, zucchini, beetroot or pumpkin can also be used as a good substitute.