The latest research in the United States shows that citrulline in watermelon can make people produce a compound that helps to relax blood vessels, which is similar to the basic function of drugs for treating male sexual dysfunction. The study also said that eating "three watermelons equals one Viagra". "In recent years, news about food aphrodisiac is not uncommon. However, the operability of food aphrodisiac is not strong and it is difficult to be effective. " Jun Guo, director of andrology at Xiyuan Hospital of China Academy of Medical Sciences, thinks. Dietotherapy is not equal to medicine supplement. Jun Guo pointed out that most people in China firmly believe that "food supplement is not as good as medicine supplement" because they think that food will not have the same toxic and side effects as chemically synthesized drugs. However, it should be noted that dietotherapy and drugs cannot replace each other. Drug therapy often needs a certain pathological basis, and the effective concentration should reach a certain amount. Sometimes very small doses of drugs can also have an effect after being absorbed by the human body. However, food lacks this bias, and the amount needed to achieve the same effect is too large. How can men eat watermelon to "strengthen yang" (data map) Eating watermelon does not mean eating Viagra. Take "eating watermelon equals eating Viagra" as an example. They are just the same in composition and nature. You need to eat a lot of watermelons to achieve the effect of taking medicine. Take "three watermelons are equal to one viagra" as an example. Even a big belly can eat so much. Watermelon is a "cold food". Eating too much will hurt the spleen and stomach, leading to poor appetite, indigestion, decreased gastrointestinal resistance, and abdominal distension and diarrhea.