Men with cardiovascular disease often wonder whether sexual activity might be dangerous for them, potentially triggering a heart attack in the midst of the excitement, or whether the exercise might actually be good for the heart. A new review by the Harvard Men's Health Watch indicates that, as exercise, sex is probably not very helpful, but it is also most likely not very dangerous either.
Careful studies have shown that about one in every 100 heart attacks is related to sexual activity; for fatal arrhythmias, the rate is about one in 200. For a healthy 50-year-old man, the risk of having a heart attack in any one hour is about one in a million; sexual activity doubles the risk, but that risk is still just two in a million. For men with heart disease, the risk is 10 times higher, but that is still only 20 in a million, comfortingly low.
Sex may even protect the heart, according to at least one study. Results from the Massachusetts Male Aging Study, the review said, found that men who had sex less than once a month were 45% more likely to develop cardiovascular disease than those who had sex two or more times a week. But the researchers also cautioned that the men who had sex infrequently may also have been burdened by social isolation or smoking, drug abuse, or diseases that impair libido and potency.
Erectile dysfunction drugs such as Viagra, Levitra and Cialis do not increase the risk, the review found, but men should not take the drugs if they are taking nitrate-containing drugs for their heart disease. Such drugs include nitroglycerin; long-acting nitrates; nitroglycerin sprays, patches and pastes; and amyl nitrate.
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