Body size may influence women's lifespan more than men's
A new study has claimed that body size -- height and weight -- of women influence their lifespan far more that it does that of men. The study was published online in the Journal of Epidemiology & Community Health. The findings indicate that while physical activity is linked to longevity in both sexes, the more time men spend being physically active add to their chances of reaching old age, while 60 minutes a day was associated with the best chance for women for longevity. The study also finds that while average life expectancy has risen over the past few decades, it has recently started to plateau in some developed nations, with increasing levels of obesity and physical inactivity thought to be behind the trend. While previous research has looked at the associations between weight (BMI), physical activity, and reaching old age, most combined both sexes or focused only on men. However, women and men's lifespan differ, which may be influenced by factors like hormo