Teenage obesity link to future MS

Teen depression 'linked to sleep'
Going to bed earlier protects teenagers against depression and suicidal thoughts, research suggests.

Swine flu 'more likely in young'
Children are twice as likely as adults to catch swine flu, a study says, while dismissing suggestions they are "super-spreaders".

Alzheimer's may 'ward off cancer'
Alzheimer's disease is associated with a reduced risk of cancer and vice versa, a US study suggests.

Cervical cancer link to early sex
Having sex at an early age has been found to double the risk of developing cervical cancer.

Food hormone link to Alzheimer's
High levels of a hormone that controls appetite are linked to a reduced risk of developing Alzheimer's disease, research suggests.