“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.”

“This is my second time that I used Levitra. It is ok medication able to solve my erection problems. It worked me up as with other similar drugs I was lost.”

A concerning number of patients are reporting problems from treatment abroad, say doctors.

Doctors running the UK's first and only dedicated NHS clinic for children with ketamine bladder say they are seeing patients as young as 13.

Why it's a good idea to get out for an evening stroll, and other essential sleep advice for students.

The rule is named after 13-year-old Martha Mills, whose family's concerns about her care were not listened to before her death.