And do it sooner rather than later. AMD usually strikes after the age of 50, when new blood vessels in the eye leak fluid, creating scar tissue which destroys vision. More than a quarter of men say they aren't having enough sex, while a quarter of women don't have the lifestyle they'd hoped for. Among all couples who've been together 10 or more years, more than half say they no longer hold hands. Four out of 10 men and 44 percent of women say their partner is fulfilling all their needs. Did you get a stethoscope for Christmas? The nuts are thought to lower bad cholesterol, help to reduce inflammation in the body and boost the health of blood vessels around the heart, says a study at Harvard Medical School. Drinking red wine helps you think. Scientists suspect constant social interaction between marriage partners may keep brain cells in better working order. Studies show that people maintain active sex lives well into their later years. Beer could stop bones becoming brittle, according to osteoporosis research published in the August edition of the eminent journal Nutrition. There is no age limit on sexuality, but for people age 50 and over, sexual satisfaction depends more on the overall quality of the relationship than it does for younger couples. Actually, physical causes—such as circulation problems, prostate disorders, and side effects associated with prescription medications—account for 85 percent of erectile difficulties.