For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...

Christian Kramme grew up in a big family, the youngest of seven kids raised in California’s Santa Clarita Valley. By the time he moved across the country to do a PhD in George Church’s lab at Harvard, ...

Hormones play a vital part in keeping our bodies working properly. But they can also have a powerful – and sometimes negative ...

Despite the fact that we all start out as an egg cell in one of our mother's ovaries, these human reproductive organs are surprisingly under-studied. Scientists have been working on creating in vitro ...

Your body’s internal clock isn’t just about feeling sleepy – it’s orchestrating a complex hormonal ballet that affects everything from your mood to your metabolism. We often think about sleep as ...

A new study highlights just how flexible the human body can be by demonstrating that in adult transgender women receiving ...

Scientists have detected microplastics — the tiny and pervasive fragments now found in our seas, drinking water, food and, increasingly, living tissue — in human semen and follicular fluid, according ...

In the current state of contemporary health, people are shifting their focus from treating symptoms to enhancing performance and vitality through factors like data, hormones, and tailored plans. A big ...

Hormones are vital for maintaining normal body functions, but scientists are finding they can also powerfully - and sometimes negatively - affect our mood and mental health.