Mary Roach 10 things you didn't know about orgasm

Symptoms include nervous excitement, tremors, convulsions, or death.

Diabetes, cancer, Parkinson's, Alzheimer's, heart failure, lung failure things that we know are debilitating diseases, for which there's relatively little that can be done.

Bonk author Mary Roach delves into obscure scientific research, some of it centuries old, to make 10 surprising claims about sexual climax, ranging from the bizarre to the hilarious.

Masters and Johnson, in the 1950s, they decided, okay, we're going to figure out the entire human sexual response cycle, from arousal, all the way through orgasm, in men and women everything that happens in the human body.