Book excerpt: Credible, readable, and easy to follow, The Orgasm Answer Guide tells you everything you ever wanted to know . . . but were afraid to ask. The Orgasm Answer Guide answers common questions many people have about one of life's most fascinating experiences. In an accessible question-and-answer format, four of the world's leading sexuality experts address every aspect of orgasms: how they happen, why they don't, and what can be done to enhance sexual experiences. The authors provide clear and informed answers to more than 80 common questions, including: • Can an orgasm cause a heart attack? • Does childbirth affect orgasm? • What is the G spot? • How can I tell whether my partner is faking an orgasm? • Do orgasms end at a certain age? The all-star author team includes neuroscientist Barry R. Komisaruk, bestselling author and sexual health researcher Beverly Whipple, BBC sexuality talk-show host Sara Nasserzadeh, and Mexico's leading sex researcher, Carlos Beyer-Flores.