For men, body fat percentage may be a better indicator of reproductive health than body mass index (BMI), according to a ...

Men who had high body fat (20% to 24%) had on average a 23% lower sperm count than men with normal body fat (8% to 19%), the study found. Men with very high body fat (25% or more) had a 15% lower ...

Among 1,058 Danish men, higher body fat percentage was associated with lower total sperm count and altered reproductive ...

Why do women, on average, live longer than men yet often face a greater burden of chronic disease later in life? Why do some ...

A new study introduces the Reproductive Resilience Hypothesis to explain sex-specific aging and female healthspan.

Shenzhou-21 mission results confirmed at August 5 Beijing briefing: crew became first to operate upgraded Feitian spacesuits ...

Explore 25 of the most bizarre animals on Earth, from deep-sea siphonophores to zombifying wasps. Prepare to have your ...

Study suggests sugars played a bigger role in brain evolution than previously thought. Fruit, honey and other naturally sweet ...

A study highlights the role of carbohydrates, as well as the prominence of meat, in the brain and reproductive development of ...

For a typical rat or mouse, the faint smell of cat urine signals a serious danger: run away fast. Interestingly, some ...

Millions of sperm do not always compete alone—some species send them into action as coordinated teams. A sweeping ...

Among the most intriguing discoveries from Prehistoric Greece are female figurines dating from the Neolithic period to the ...