Women may be better at multi-tasking, less susceptible to 'man flu' and safer behind the wheel — but, physically, men are the stronger sex. Wonder Woman may be taking cinemas by storm this summer, but it's always Superman, with his rippling abs and bulging biceps, who saves the damsel in distress.
From longevity and surviving illness to coping with trauma and managing pain, we investigate the surprising ways in which women really are the stronger sex However, this could be about to change. For a growing body of scientific study is turning centuries-old gender research on its head — by suggesting that women are, in fact, stronger than men.
When it comes to the most basic instinct of all — survival — women's bodies tend to be better equipped than men's. Scientists at the University of Adelaide say this may be because a mother's placenta behaves differently depending on the gender of her baby. Boys are bigger and grow faster in the womb, which can place a strain on the placenta and lead to under-nourishment of the foetus and high blood pressure in the mother.
If a baby boy and girl get exactly the same neonatal medical care, boys are statistically 10 per cent more likely to die. A UK study that exposed six-year-old boys and girls to a recording of a crying baby found that boys experienced a higher release of stress hormones.
The same researchers also said that boys cry more when upset and take longer to calm down. The results were confirmed by neurology research, in which a group of men watched a series of emotional videos — categorised into 'blissful', 'exciting', 'heart-warming' and 'funny' — while their responses were measured via electrodes in their brains. Men had stronger emotional reactions than women to all four, and responded twice as much to the heartwarming content.
The hippocampus, the part of the brain associated with emotions and memory, is similar-sized in both sexes. But women have more connections going from left to right across the two halves of the brain, which gives them an advantage in pulling together information from different sources and drawing logical conclusions.
Women consistently outperform men in IQ tests and the highest IQ score ever was recorded by a woman: American author Marilyn vos Savant, who, in the Eighties, got a sky-high score of far outranking Albert Einstein, between and This mental strength gives them advantages in education and the workplace, too. Women now account for around 60 per cent of the world's degree-holders, while according to a recent report by McKinsey Research, companies led by women perform better and have more clout than those run by men.
But did you realise that these help to make their immune system stronger and more flexible? A Canadian study found these hormones act against a certain enzyme which — in men — hinders the body's defences against bacteria and viruses. There are two reasons women need a stronger immune system. The first is evolutionary. Dr Leslie Knapp, of the University of Cambridge, says women are better equipped to fight off illness because they're built to carry on the species: On average, men have bigger builds, with more muscle compared to fat, and a more even fat distribution throughout their bodies.
The second explanation is biological, based on the fact that women can bear children. In very basic terms, a pregnancy is the same as foreign tissue growing inside a woman's body. Normally, a person's immune system would reject any such foreign matter. But unlike men, women's immune systems have two gears: This flexibility makes pregnancy possible — and makes women stronger and better at battling disease. But women's powerful immune systems can sometimes attack themselves, making them more prone to autoimmune diseases such as rheumatoid arthritis, lupus and multiple sclerosis.
Studies have shown that females have more white blood cells Studies have shown that females have more white blood cells, the parts of the blood which produce antibodies — natural proteins which neutralise bacteria and viruses. Disease therefore progresses faster in men — and tends to take hold earlier in their lives. In 12 of the 15 most common causes of death, including cancer and heart disease, men die at a much higher rate than women. Dr Steve Austad, a leading authority on the science of ageing from the University of Alabama, says women are far more robust.
Not only are women biologically stronger when they're sick, but they're far more sensible about it. British researchers have found that women are better than men at reporting poor health, and more likely to seek medical help when they first experience symptoms.
According to the National Pharmacy Association, men visit their GP four times a year compared to six times for women, visit a pharmacy four times a year compared to 18 — and are twice as likely to take medication without reading the label. The study also found that nearly nine in ten men don't like to trouble medical professionals unless they have a 'serious problem'.
That lack of oversight may help to explain why 36 per cent are obese compared to 28 per cent of women and why men are twice as likely to have an alcohol disorder. Of THE 43 'supercentenarians' in the world — people over years old — 42 are women.
In Britain, there are people over the age of , only eight of whom are men. Bessie Camm, a former nurse from Rotherham, Yorkshire, is the UK's oldest person at , and puts her longevity down to 'hard work, knowing lovely people and good food'.
Scientists still haven't pinned down the reason for this longer lifespan, with potential explanations including lower blood pressure men tend to have riskier jobs and lifestyles and the idea that a woman's heart rate increases during the second half of her menstrual cycle, offering the same benefits as moderate exercise. Expert on ageing Dr Austad says it may once again be down to hormones. Studies of men who have suffered castration, thus cutting off their supply of male hormones, suggest that the earlier this happens, the longer they are likely to live.
The bundles of DNA within each of our cells are known as chromosomes. These come in pairs, and in the 23rd pair — which determines gender — women have two X chromosomes, while men have an X and a Y.
Scientists say this difference affects our health. Women, with two versions of the X chromosome, have a back-up copy in case one is faulty or goes wrong. Men, on the other hand, have no spare if their cells malfunction or if there's a genetic mutation on the X chromosome which causes illness or disability. Women, with two versions of the X chromosome, have a back-up copy in case one is faulty or goes wrong This affects everything from life-altering conditions to something as basic as temperature.
The double-strength XX chromosomes make women more resilient to hot and cold women also deal well with cold because they have deeper layers of fat under their skin, which keep them — and their babies — warm.
Meanwhile, men are more vulnerable to certain genetic disorders that affect the X chromosome. These include red-green colour blindness, haemophilia which stops the blood from clotting and muscular dystrophy degenerative muscle wastage. Therefore, women are often choosier about picking a mate, which makes their sex lives safer than men's, as they're less likely to sleep with a stranger or risk contracting a sexually transmitted disease.
In PURE biological terms, women are better at dealing with traumatic events such as car accidents, heart attacks and other types of shock. According to a study at the University of Florida, females have a higher tolerance for pain which helps when it comes to childbirth. There's also the size factor: Dr Austad says women are, quite simply, 'better survivors'.
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