The sea lamprey looks like it’s from another planet, but this ancient creature has a surprising amount in common with humans ...

Peripheral neuropathy is rarely fatal. However, it can cause serious complications if left untreated. These complications may affect a person’s independence, overall health, and life expectancy.

The vagus nerve halts stress and regulates emotions - and could stop you getting sick. But do you really need a £600 gadget to switch off?