'Sexercise' yourself into shape

So MAN FERTILITY noticed this little tidbit going by on the
BBC. Sounds reasonble to do exercises that are "fun"--you're likely to stick with it, studies show...:

"The NHS has some new advice for people struggling to schedule a fitness routine into their daily lives - a workout between the sheets.

According to the NHS Direct website, 'sexercise' can lower the risk of heart attacks and helps people live longer.

Endorphins released during orgasm stimulate immune system cells, which also helps target illnesses like cancer, as well as wrinkles, it states.

Sexual health experts said such claims could not be scientifically proven.

'It's good to see the NHS are promoting sexual wellbeing,' Dr Melissa Sayer told the Guardian newspaper.

'Yes, there is evidence that sex has benefits for mental wellbeing, but to say there is a link with reduced risk of heart disease and cancer is taking the argument too far.'

NHS Direct, however, told the paper the content was 'backed by science and clinical evidence' and 'isn't just a bit of fun'."

read more here.