A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

DMD is an inherited (passed down) disorder. The condition is linked to the X-chromosome, which means DMD mostly affects people assigned male at birth. DMD affects approximately one in 3,600 male ...

Denise Richards made rare comments about her youngest 'angel' daughter Eloise in a candid chat as she opened up about the ...

In this week's PEOPLE cover story, Denise Richards opens up about her daughter Eloise, and the blessings and challenges she's ...

I love walking: it’s free, low-impact, and boosts both your mental and physical health. I average around 8,000 steps a day, which means I’m perfectly placed to test out the latest and best walking ...

“Skewing of the X chromosome is common among humans, and there are certainly women who are walking around with much higher or lower levels of maternal X chromosomes than others, just by chance,” said ...

These variations occur naturally in humans too. “Skewing of the X chromosome is common among humans, and there are certainly women who are walking around with much higher or lower levels of maternal X ...

Though he didn’t know it, the man was witnessing the latest outing of Overground, one of a new breed of walking groups that is taking an activity previously associated with sedate middle-age and ...

But scientists have observed a free-living mushroom coral, Cycloseris cyclolites, actively “walking” toward blue light waves in a way that’s reminiscent of the pulsed swimming motion of ...