Includes bibliographical references.

About orgasms -- What are orgasms? -- Do men and women have the same sensations during an orgasm? -- Why don't all my orgasms feel the same? -- What are multiple orgasms? -- What is anorgasmia? -- At what age do orgasms begin? -- Do orgasms end at a certain age? -- How long does it take to reach orgasm? -- How long do orgasms normally last? -- How often do people experience orgasm? -- Does a person inherit the ability to have orgasms? -- Are there really non-genital orgasms? -- Why do people sometimes look as if they are in pain at or near orgasm? -- Women's orgasms -- What's the difference between vaginal, cervical, and clitoral orgasms? -- Does breast or nipple stimulation affect a woman's orgasm? -- Do Kegel exercises intensify female orgasms? -- What fluids are produced before and during a woman's orgasm? -- Why is the clitoris so sensitive after orgasm? -- Does body position during sex affect a woman's orgasm? -- Does penis size affect a woman's orgasm? -- Are orgasms affected by the menstrual cycle? -- Is a woman more likely to become pregnant if she has an orgasm? -- Is it safe to have orgasms during pregnancy? -- Does childbirth affect orgasm? -- How do hormones affect women's orgasms? -- Men's orgasms -- How does a penis become erect? -- How do men ejaculate? -- Does a penis need to be hard to have an orgasm? -- Why is the penis so sensitive after an orgasm? -- Can a man have an orgasm without stimulation of his penis? -- Can men experience ejaculation without orgasm, or orgasm without ejaculation? -- Why do some men become so sleepy after an orgasm? -- What is the clear fluid that comes out of the penis before ejaculation? -- What is the difference between semen and sperm? -- Why does semen change from opaque to transparent? -- What causes differences in the amount and characteristics of semen ejaculated? -- How do hormones affect men's orgasms? -- Hows and whys of orgasm -- How do legal and illegal drugs affect orgasm? -- Why do people sometimes experience orgasms while asleep? -- Why do people say that orgasms happen in the brain? -- How does "sex-change" ("transsexual") surgery affect orgasms? -- How do machines and devices stimulate orgasms? -- How can scientists tell whether animals have orgasms? -- Orgasms and health -- Are orgasms good for our health? -- Do orgasms reduce stress? -- Can an orgasm cause a heart attack? -- Can orgasms cause headaches? -- What causes "blue balls"? -- What is the effect of cancer and its treatment on orgasm? -- Does hysterectomy affect orgasms? -- Besides hysterectomy, do other female genital surgeries affect orgasms? -- Does prostate surgery affect orgasms? -- Besides prostate surgery, do other male genital surgeries affect orgasms? -- Are there surgeries that can improve a man's chances of experiencing orgasm? -- How do brain injuries or spinal cord injuries affect orgasms? -- What treatments are there for erectile dysfunction? -- Does Viagra help women experience orgasm? -- Does vaginal dryness affect orgasms? -- What causes premature ejaculation? -- How do I have an orgasm while practicing safer sex? -- Can I get HIV/AIDS and other STIs from oral sex? -- Does diet affect orgasms? -- The geography of female orgasm -- What is the clitoris? -- What is the cervix? -- What is the G spot? -- What is the U spot? -- What is the A spot? -- What are the vaginal fornices? -- Orgasms and relationships -- How can I stimulate or intensify orgasms in myself or my partner? -- How can I tell if my partner is faking an orgasm? -- How can my partner and I have simultaneous orgasms? -- Why does my partner use a vibrator to have an orgasm? -- What can I do if my partner says he can't have an orgasm because my vagina is not tight enough? -- What can I do if my partner says she isn't having orgasms because my penis is too small? -- Why does my partner want to have an orgasm through anal sex? -- Why does my partner need me to "talk dirty" in order to have an orgasm? -- What can we do if my partner or I can't experience orgasms? -- Orgasms and culture -- Do different cultures view orgasms differently? -- Does female genital cutting affect orgasm? -- Does male circumcision affect orgasms? -- Does piercing affect orgasms? -- Does "dry sex" affect orgasms? -- Is there too much emphasis on "achieving" orgasm in some cultures? -- Why can't people talk about orgasms without feeling embarrassed or silly?