BACKGROUND Despite the aging of the population, little is known about the sexual behaviors and sexual function of older people. METHODS We report the prevalence of sexual activity, behaviors, and problems in a national probability sample of 3005 U.S. adults (1550 women and 1455 men) 57 to 85 years of age, and we describe the association of these variables with age and health status. RESULTS The unweighted survey response rate for this probability sample was 74.8%, and the weighted response rate was 75.5%. The prevalence of sexual activity declined with age (73% among respondents who were 57 to 64 years of age, 53% among respondents who were 65 to 74 years of age, and 26% among respondents who were 75 to 85 years of age); women were significantly less likely than men at all ages to report sexual activity. Among respondents who were sexually active, about half of both men and women reported at least one bothersome sexual problem. The most prevalent sexual problems among women were low desire (43%), difficulty with vaginal lubrication (39%), and inability to climax (34%). Among men, the most prevalent sexual problems were erectile difficulties (37%). Fourteen percent of all men reported using medication or supplements to improve sexual function. Men and women who rated their health as being poor were less likely to be sexually active and, among respondents who were sexually active, were more likely to report sexual problems. A total of 38% of men and 22% of women reported having discussed sex with a physician since the age of 50 years. CONCLUSIONS Many older adults are sexually active. Women are less likely than men to have a spousal or other intimate relationship and to be sexually active. Sexual problems are frequent among older adults, but these problems are infrequently discussed with physicians.

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A Study of Sexuality and Health among Older Adults in the United States

Male circumcision for HIV prevention in young men in Kisumu, Kenya : a randomised controlled trial. Commentary

Regulation of biosynthesis of nitric oxide.

https://uroweb.org/wp-content/uploads/14-Male-Sexual-Dysfunction_LR1.pdf

Guidelines on male sexual dysfunction: erectile dysfunction and premature ejaculation.

Yoram Vardi

Papers

Standards for Clinical Trials in Male Sexual Dysfunctions

Who's Afraid of the G‐spot?

Does hysterectomy affect genital sensation

Penile Thermal Sensation

Low Intensity Shock Wave Treatment for Erectile Dysfunction—How Long Does the Effect Last?