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SOURCES:
Journal of Sexual Medicine: "The relative health benefits of different sexual activities."
Parenting Planning: “The Health Benefits of Sexual Expression”.
Society for Personality and Social Psychology: "Couples who have sex every week are the happiest."
Age and Aging from Oxford: "Sex on the brain!" Associations between sexual activity and cognitive function in old age. "
Personality and individual differences: “Sexual activity as a predictor of the risk of lifelong mortality. "
LiveScience: "6 (Other) Great Things Sex Can Do For You", "Sex Can Relieve Migraines."
cephalalgia: "The Impact of Sexual Activity on Idiopathic Headaches: An Observational Study."
Cleveland Clinic: "Why is sex good for your health, especially your heart."
Harvard Health Publications: "Is Sex Exercise?" And is it hard on the heart? "Measure physical activity."
Journal of Health and Social Behavior: "Is sex good for your health? A national study on partnered sex and cardiovascular risk in older men and women. "