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This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.
For example, sex can actually cause you to get fewer colds. Research has shown that couples who have sex weekly have a 30 percent increase in immunoglobulin A, an antibody that fights infection. Sex can also help women have a more predictable period schedule, as a result of being exposed to male pheromones.
In addition, having sex reduces stress -- for physiological as well as emotional reasons. Sex activates a nerve that has a calming effect. Having sex also lowers blood pressure, which reduces the risk of heart disease.