Where do we come from and how did we evolve into the beings and bodies we are today? The new book "Eve: How the Female Body Drove 200 Million Years of Human Evolution" argues for a better ...

Did you know your body is full of chemical messengers that help regulate your various organs and body systems? There are at least 50 such chemicals, called hormones, in the human body. Their levels ...

Cat Bohannon's "Eve" is vaguely intimidating. Fine, more than a little intimidating. It's more than 600 pages, promising to cover 200 million years of human evolution. The young adult adaptation, just ...

Mathematicians have discovered that there is no exact formula for the “perfect” female body. A study recently published in Scientific Reports challenges long-standing assumptions about the most ...

JOURNALIST Rachel E. Gross was working as the science editor at Smithsonian.com when she developed an “obnoxious” vaginal infection that set her on a mission to better understand her own body. It may ...

Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs), but for other body organs it is of little help. A new study now shows: ...

The average adult male has around 36 trillion cells in their body, while average adult females have 28 trillion, researchers have found. Unexpectedly, the mass of small cells in our bodies, such as ...