What scientists do know from limited laboratory experiments and astronaut data is that space presents a demanding environment ...

One in six couples struggles with fertility, but conventional treatments often miss the bigger picture. Could addressing root causes like hormonal imbalances, inflammation, and environmental toxins be ...

Vasectomy is a permanent birth control option for men. Learn what it is, how the procedure works, and who benefits from it.

It was long believed that men wouldn't reliably use birth control, but many are signing up for clinical trials of ...

A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Hormones play a major role in regulating metabolism, mood, ...

High-quality dark chocolate - with at least 70 per cent cocoa - contains flavonoids. These powerful antioxidants help reduce oxidative stress in the body.

In the icy waters of Alaska's Bristol Bay, a new study reveals how a small population of beluga whales (Delphinapterus leucas) survive the long haul through a surprising strategy: they mate with ...

Washington — The Department of Homeland Security said Tuesday it was replacing its longstanding lottery system for H-1B work visas with a new approach that prioritizes skilled, higher-paid foreign ...

The 'Today' co-anchor made the shocking revelation during the "Girl Code" segment with Jenna Bush Hager Liza Esquibias is a Writer-Reporter on the TV team at PEOPLE. She was previously an Editorial ...

Background: Male infertility accounts for approximately 50% of all infertility cases, and its pathogenesis is highly complex. Beyond traditional factors such as genetics, endocrine disorders, and ...

The results show that males focus their mating efforts on the most fertile females by combining information about the timing of swelling and reproductive history. Because male bonobos can effectively ...