Credits: Canva
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.
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.
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.
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.
Credit: Canva
Students gaming more than 10 hours a week can have long-lasting negative effects on their physical and mental health, a new Australian study suggests.
Researchers from Curtin University, Perth have found that playing online games for over 10 hours can worsen diets, increase body weight and led to poorer sleep than lighter gamers.
Professor Mario Siervo, Curtin School of Population Health said of the results: "What stood out was students gaming up to 10 hours a week all looked very similar in terms of diet, sleep and body weight. The real differences emerged in those gaming more than 10 hours a week, who showed clear divergence from the rest of the sample."
Researchers surveyed 317 students across five Australian universities, with a median age of 20, to understand how time spent gaming each week might affect their diet, sleep, and body composition.
Students were categorized as low gamers (zero to five hours a week), moderate gamers (five to 10 hours) or high gamers, who played video games for more than 10 hours each week.
They found that low and moderate gamers showed largely comparable health outcomes but health indicators deteriorated sharply among students whose gaming time exceeded 10 hours a week.
The study found diet quality declined and obesity was more common once gaming exceeded 10 hours a week, with each extra hour linked to poorer diets even after accounting for other lifestyle factors. While high gamers recorded a body mass index (BMI) of 26.3kg/m2, low and moderate gamers fell within a healthier range, with median BMIs of 22.2kg/m2 and 22.8kg/m2 respectively.
Professor Siervo said: "Each additional hour of gaming per week was linked to a decline in diet quality, even after accounting for stress, physical activity and other lifestyle factors."
Additionally, sleep quality was generally poor across all groups but students who played video games for moderate or high amounts of time reported worse sleep than low gamers.
Despite clear results, the expert added that the study does not prove cause and effect but shows excessive gaming is linked to higher health risks, while low to moderate play appears largely fine.
"Our data suggests low and moderate gaming is generally fine, but excessive gaming may crowd out healthy habits such as eating a balanced diet, sleeping properly and staying active.
"Because university habits often follow people into adulthood, healthier routines such as taking breaks from gaming, avoiding playing games late at night and choosing healthier snacks may help improve their overall well-being," Professor Siervo said.
Playing video games for excessive amount of time has also been linked to paving the way for mental health problems such as anxiety, depression, aggression and poor emotional control as well as social/life problems including neglecting responsibilities, isolation, poor relationships, academic/career impact.
Moreover, previous research has also found that playing games for over three hours straight significantly raises the risk of physical issues. Sessions exceeding this time frame can lead to eye fatigue, headaches, neck pain and wrist pain, regardless of the player's age or gender.
This study was published in Nutrition on January 16.
Credit: Canva
Days after eagle-eyed fans spotted Nick Jonas stepping out of the Golden Globes during the Nikki Glaser-hosted show in Los Angeles, the popstar has now revealed what led to him there.
In an X video from January 11, Jonas was seen standing alone outside of a tent at the Beverly Hilton hotel surrounded by palm trees and green foliage, looking like he was taking a breather while sipping from a glass bottle of water and rubbing his chin.
As the clip began to go viral online, users shared their guess on why he had to exit the ceremony, commenting, "Social anxiety got the best of him." Soon after, he did reveal that he anxiety had "hit him like a gut punch" on X.
Living with Type 1 diabetes, Jonas has previously spoken about the emotional challenges of managing a chronic condition and how it has affected his life.
As explained by Dr Sanil Sinhasan, Consultant Psychiatrist at Mind Care Clinic and SRV Hospital, Mumbai, to Health Shots: "Social anxiety disorder is an intense fear of being judged, rejected, or embarrassed in social or performance situations.
"People with social anxiety often worry excessively about how they look, speak or are perceived by others."
This kind of anxiety is typically triggered by meeting new people, public speaking or even everyday interactions like eating in public, stemming from fears of negative evaluation by others.
Symptoms include blushing, sweating, trembling, rapid heartbeat, nausea, dizziness, trouble speaking, stomach issues. If left untreated, social anxiety can become debilitating as it can also cause fast, shallow breathing, muscle tension, suffocation, symptoms that can intensify anxiety further and lead to serious medical events.
Professional therapies such as Cognitive Behavioral Therapy (CBT) and medication such as antidepressants (SSRIs/SNRIs) can offer deeper solutions for managing fear and building skills.
Regular physical activity can also help release endorphins and reduce tension as well avoiding excess caffeine can support mental health.
Mental health experts also recommend opening up to loved ones and avoiding isolation. Speaking to loved ones and sharing how you’re feeling can help ensure your current state doesn’t aggravate.
Doctors also advise speaking therapist if social anxiety significantly impacts your life as professional help is crucial for lasting change.
Credit: Canva
Wondering if abnormal bleeding, pelvic pain and leg swelling are signs of something fatal?
According to Dr Ninad Katdare, Consultant Surgical Oncologist, Jaslok Hospital & Research Centre, they may be symptoms of cervical cancer. While many may expect drastic signs such as severe pain, heavy bleeding or obvious illness, identifying certain symptoms can help with early diagnosis and treatment.
Cervical cancer develops in a women's cervix (uterus opening) due to abnormal cell growth, primarily caused by persistent HPV infection, a common infection that's passed through sexual contact.
When exposed to HPV, the body's immune system typically prevents the virus from causing damage however, in a small percentage of people, the virus can survive for years and pave the way for some cervical cells to become cancerous.
Treatment involves surgery, radiation, and chemotherapy, with early detection significantly improving outcomes, though it remains a major cancer in low-income countries. Cervical cancer can also be prevented through vaccination and regular screening (Pap/HPV tests).
Dr Katdare told News18: "In its early stages, it is often more of a whisper than a shout. As a cancer surgeon who has treated hundreds of women with gynaecological cancers, I can say with confidence that recognising these subtle cues can lead to earlier diagnosis and significantly better outcomes."
He recommends looking out for these early signs:
But Dr Katdare warns that any sudden or abnormal changes in discharge may be a symptom of the cancer. “Because discharge issues are commonly linked to infections, many women self-medicate or delay seeking care," he said. “While infections are far more common, chronic or unusual discharge especially in older women requires thorough evaluation."
Discharge may become persistent, watery, foul-smelling, or tinged with blood or pink, brown, or rust-colored if you're suffering from this kind of cancer.
Consistent pelvic pain particularly that occurs outside the menstrual cycle or during sexual intercourse should be a point of concern. According to Dr Katdare, "Pain during intercourse, or dyspareunia, is especially important. It should not be dismissed as ‘just dryness’ or an age-related change. In cervical cancer, this pain may result from inflammation or tumour growth involving the cervix and surrounding tissues."
“These symptoms are often evaluated in isolation because they don’t seem related to the cervix," said Dr Katdare, “which can delay the correct diagnosis."
Ultimately the expert advised: "“Cervical cancer does not always announce itself loudly,. Sometimes, it leaves silent clues. The sooner you listen to them, the better the outcome. If something feels ‘off,’ trust that instinct and seek medical advice. Early action can make the difference between a curable disease and a life-altering diagnosis."
© 2024 Bennett, Coleman & Company Limited