According to a study published in the British Medical Journal, men who have regular sex cut their mortality risk by 51%, compared to less sexually active men. The study involved 2512 men in Wales over a 10 year period, scientist Dr George Smith claims that Sexual problems are associated with unsatisfying relationships, and that lack of physical and emotional satisfaction can lead to illness and early death.

George Davey Smith et al. Sex and Death: are they related? Findings from the Caerphilly Cohort Study. BMJ Vol 315 (Dec, 20-27, 1997) pp. 1641-1644