Survivors of childhood brain tumours have more fat

A new study suggests that eating more fat rather than less could help the body gain greater benefits from exercise when blood sugar levels are high, offering an unexpected perspective on how diet and physical activity work together to support metabolic health.

A popular fitness trend among young people may be quietly undermining their sleep. A new study led by researchers at the University of Toronto has found that teenagers and young adults who use pre-workout supplements are significantly more likely to experience extremely short sleep durations.

Worrying about getting older especially fearing future health problems may actually speed up aging at the cellular level, according to new research from NYU.

Exercise may sharpen the mind by repairing the brain's protective shield. Researchers found that physical activity prompts the liver to release an enzyme that removes a harmful protein, causing the blood-brain barrier to become leaky with age.

Human evolution has long been tied to growing brain size, and new research suggests prenatal hormones may have played a surprising role. By studying the relative lengths of the index and ring fingers, a marker of prenatal exposure to oestrogen and testosterone, researchers found that higher prenatal oestrogen exposure was associated with larger head size in newborn boys.