As for why cortisol varies throughout the day: "Cortisol is very important in helping a person transition from sleep to wakefulness," Zalzala explained. "This triggers a 'morning cortisol surge' -- a ...

The UK is chronically short of doctors. Bottlenecks in training, low morale and of course an ageing population have resulted ...

Dont wait for symptoms to show up! Learn how regular doctor visits can help detect health issues early and prevent serious ...