Fitness

New research shows that lightning-quick neural rehearsal can supercharge learning and memory.

Some studies suggest an impact, particularly for those who are vitamin-deficient. But for now, the jury is out

Through evolution, we’ve gained an entire arsenal for fighting off potentially harmful microbes of all sorts.

Our resident bacteria help regulate the immune system and response to infections

The COVID-19 pandemic has focused attention on the importance of having a well-functioning immune system.

Chronic inflammation and immune breakdown appear to be key reasons

Some researchers suspect these bacterial ancestors living within our cells may contribute to a wide range of neurological and psychiatric disorders

You have 86 billion of them inside you, but do you understand how hard it was for us to learn that?

Some two billion people don’t get enough of this essential mineral in their diet

A newly discovered internal body clock creates annual peaks and valleys

Achieving better, more equitable treatments requires looking at multiple factors that affect populations differently, including genetic variations

Blood and the gut dominate cell turnover