The fitness benefits of sex are astonishing.

Some effects of sex are equivalent to physical exercise.
Michael Cirigoriano, a professor of medicine at the University of Pennsylvania, says, "Sex is a form of
exercise ." On a single occasion, sex may seem insignificant in improving physical fitness. But remember
the lesson of the Egyptian pyramids: each stone is ordinary, yet together they create a miracle.
If you have sex three times a week (the typical frequency for healthy couples), you can burn up to
7,500 calories a year. This is equivalent to jogging 120 kilometers a year, and the amorous effects of sex far
surpass those of jogging.
If you burn 10,000 calories a week through sex, roughly speaking, this is equivalent to
running from Beijing to Tianjin at a pace of 1.6 kilometers per minute.
Besides burning calories and thus achieving weight loss, sex can also help enhance physical strength. Michael
points out , "During sexual arousal and orgasm, there is muscle contraction and relaxation. The higher the quality of sex,
the better the effect on physical strength."
However, he cautions against overindulgence, stating, "Just like any kind of high-intensity exercise,
excessive sexual activity can lead to injury, such as muscle fatigue."
For men, "Any kind of exercise can increase testosterone."
Karen Donasi, a clinical psychologist and head of the "Sex and Marital Adjustment" research program at Northwestern University's School of Medicine, believes that sex is no
exception.
This magical male "nectar" has multifaceted effects on physical and mental health. It maintains sexual drive and
helps with bone and muscle development.
For women, "Regular sex can increase estrogen levels." Karen emphasizes that this
hormone protects the heart and maintains vaginal tissue. Regular sex can also help reduce or eliminate
premenstrual syndrome in women.
Physical exercise can provide mental rest, thereby relieving psychological stress. Karen says, "Sex
can also be an effective way to reduce nervous tension." She believes that sex can help couples
overcome apathy, experience joy, intimacy, and relaxation.
Because psychological stress weakens the immune system, relieving this stress through sex can help reduce
illness.

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The fitness benefits of sex are astonishing.

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