“Honeymoon returned and my husband feels like a teenager again. His erection is the same as at our first date 30 years ago. He feels like a man again, his penis is hard with a big head so he can be proud of it again. Viagra really helps.”

“I did not want to confess my sexual fail and intimacy problems. After taking it my penis worked as a paving breaker and my wife had no reason to complain during whole night. We hooked on it and purchase with a discount.”

Understanding usage by children is key to studying potential harms and benefits, psychiatrists say.

The hospital reportedly demanded fingerprints and samples of handwriting to find the whistleblower.

Some 48% of hospitals in England, Wales and Northern Ireland do not have the staff they need, figures suggest.

The most detailed study of sepsis shows it is a much bigger problem than previously thought.