It comes as experts say cases of infections that are resistant to current treatments are on the rise.

Children in Africa and South East Asia are most at risk from antibiotics medicines no longer working, a study suggests.

Scientists from King's College London manage to grow a human tooth under laboratory conditions.

Grandfather-of-four Paul Thomas was put on the trial in July and said he felt lucky to be included.

“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.”

“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.”