The key to depression, obesity, alcoholism – and more? Why the vagus nerve is so exciting to scientists

What is behind the unexpected decline in dementia?

17 min

The most mysterious cells in our bodies don’t belong to us

13 min

Four ways to bolster your psychological immune system

10 min

Fatigue can shatter a person

25 min

Sam Altman invested $180mn into a company trying to delay death

19 min

One man’s quest to become 18 again, for only $2 million a year

23 min