This is a neat, large study, but its a classic chicken and egg problem. Do you lack sexual interest because you are unhealthy, or does being unhealthy also make

This is a neat, large study, but its a classic chicken and egg problem. Do you lack sexual interest because you are unhealthy, or does being unhealthy also make you not interested in sex. If you have heart problems or dying of cancer, you probably aren't looking to hook up all that much.