Feeling tired after 40 does not automatically mean that your testosterone is low. We explain how testosterone changes with age, which symptoms are more informative, how a genuine deficiency is diagnosed and why sleep, stress...

Menopause fatigue rarely has just one cause. Learn how hormonal changes, interrupted sleep, hot flushes, stress and mood can interact—and when persistent exhaustion should be medically assessed.

A new study involving 9,405 adults found an intriguing association between yoghurt consumption and lower odds of reported colorectal cancer. Here's what the research tells us about fermented foods, the gut microbiome and long-term gut...