A study of more than 58,000 women over a 12-year period found that longer or shorter menstrual cycles were associated with a higher risk of developing cardiovascular disease, heart attack or atrial ...

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Women in gyms hear it all the time: lift heavy in some weeks, go lighter in others, depending on your menstrual cycle — because your hormones affect your strength. But is it backed by science?There's ...

More than 90% of women say they experience premenstrual symptoms of some kind, according to the Office on Women's Health, a division of the Department of Health and Human Services. Symptoms may ...

Many women were taught their menstrual cycles should last about 28 day. But a new study finds that isn’t accurate for most of them. Only 13 percent of women have 28-day cycles, with 29.3 days being ...

Harnessing the power of your menstrual cycle hormones can spark serious change. How? Well, imagine if, rather than surrendering to the rage that arrives just before your period is due, or putting an ...

Most female mammals experience “heat,” occasional periods when they can get pregnant—and as a result, become eager for sex. But human women don’t go into heat. They can become pregnant and feel ...

The monthly window of human female fertility is very short. Functionally, natural selection should favor female behaviors that increase the odds of successful mating around the time of ovulation [4] ...

Football players in England's top-tier WSL were six times more likely to experience a muscle injury in the days leading up to their period compared to when they were on their period, according to new ...