BBC Short: An electric helmet that might ease depression

A helmet that delivers electro-magnetic impulses to the brain has shown promise in treating people with depression, Danish researchers have said.

About 30% of those with the condition fail to respond to medication or psychological counselling.

The new device targets malfunctioning blood cells in the brain.

In clinical trials two-thirds who used it reported that their symptoms had disappeared, and improvements in mood were noticeable within a week.

Watch a patient describe its effects, and read more about it here.