A study found that women who rarely have sex have a 70% higher risk of dying compared to women who have sex at least once a week. The women having less sex tended to have elevated C-reactive protein levels, which is an indicator of inflammation, and were more likely to be depressed. Less sex can inc rease your chance of earlier menopause and cause tightening or thinning of vaginal tissue. On the other hand, more sex reduces stress and improves your mood by releasing endorphins and oxytocin, boosts your immune system, improves your sleep quality from the release of the hormone, prolactin, and improves heart health by increasing heart rate and circulation. Learn more about how your sex life affects your health. ...read more read less