Sexuality in older age concerns the sexual drive, sexual activity, interests, orientation, intimacy, self-esteem, behaviors, and overall sexuality of people in middle age and old age, and the social perceptions concerning sexuality in older age. Older people engage in a variety of sexual acts from time to time for a variety of reasons. Desire for intimacy does not disappear with age, yet there are many restrictions placed on the elderly preventing sexual expressions and discouraging the fulfillment of sexual needs. Sexuality in older age is often considered a taboo, yet it is considered to be quite a healthy practice; however, this stigma can affect how older individuals experience their sexuality. While the human body has some limits on the maximum age for reproduction, sexual activity can be performed or experienced well into the later years of life. Physical changes Both male and female libidos tend to decline with increasing age, and women tend to lose their libido faster than men. However, desire for sexual activity is not lost completely. Neither does it decrease for everyone. Menopause, a female biological process, has been linked to a loss of interest in sexual activity and to a desensitization of the genital area. In some cases, vaginal penetration can be painful for older women (see, for example, vaginismus). However, with the advent of hormone replacement therapy (HRT) treatments, the effects of menopause have lessened and women have more opportunities to continue experiencing an active sex life. Similarly, treatments for erectile dysfunction can make it possible for men to enjoy sexual activity again. Health benefits It has been suggested that an active sex life can increase longevity among the elderly. Positive sexual health in older age is slowly becoming more of a commonplace idea with the steady increase in the percentage of the older population. This population percentage increase requires placing more attention on the needs of this age group, including their ideas on sexual health, desires, and attitudes. This shift in attitudes and behaviors has combined with medical advances to prolong a sexually active life and change the landscape of aging sexuality. Sexual health and expression reflects a physical, mental, and emotional need that affects individual health and intimacy quality for older couples’ relationships. Dr. Syme found that, "Having a sexual partnership, with frequent sexual expression, having a good quality sex life, and being interested in sex have been found to be positively associated