“I take 20 mg Cialis pill and it works as expected but after sexual intercourse I sometimes feel muscle pain in the back and fatigue. I do not know if this is because I work like a stud or it is a side effect. Anyway I am lucky that I gave it a try.”

I have tried Viagra and Cialis before and must say that Levitra causes less side effects though. I had terrible headache with Viagra which made sex impossible sometimes. With Levitra I forgot about it. I would recommend it to anybody who has similar problems ...

Scientists are mapping out the 37 trillion cells of the human body and changing what we thought we knew

Sodium oxybate can offer temporary relief, in a similar way to drinking alcohol, a trial suggests.

The health secretary says fears over physician associates need looking at, but laments nature of debate.

BBC Scotland's political editor was diagnosed with an incurable cancer after having a seizure.