An hour of exercise per week may help beat depression

Just one hour of exercise a week seems to prevent depression, an Australian study suggests.

Researchers from the Black Dog Institute and University of NSW looked at the experiences of 33,908 healthy Norwegian adults. They tracked their levels of exercise and symptoms of depression and anxiety over an 11-year period.

The study found that 12% of cases of depression could have been prevented if the participants had exercised at any intensity for one hour each week. 

“These findings are exciting because