American swimmer Eric Shanto suffers from testicular cancer, and German swimmer Daniela Samulski broke the women's 50m backstroke world record twice. She died of colon cancer at the age of 34, so there is no scientific basis. On the contrary, swimming in public swimming pools is easy to be infected with EB virus, which is also an important factor in inducing nasopharyngeal carcinoma.
Exercise can improve immunity, but with appropriate protective measures, the probability of cancer in many professional athletes is much higher than that in normal people. For example, cyclists are prone to testicular cancer, and marathon runners have a much higher incidence of skin cancer than normal people.
Face cancer correctly, don't panic about cancer. You may not have cancer yet, but your brain is out of order.
My friend is a patient with gastric cancer. He had a gastrectomy. Eight years later, he felt healthy. He swims almost every day and spends most of his time outdoors, including winter swimming.
What suits you is the best, and you may not be able to swim. Coincidentally, I like swimming. The key is persistence, not giving up halfway. I want to change "swimming is the best exercise to fight cancer" to "insisting on exercise is a good way to fight cancer". What I want to say more is that a good attitude is the best and best prescription against all diseases.
Good attitude is easier said than done. Maintaining a good attitude is an ability that many people don't have. It is especially difficult to keep a good attitude when you are terminally ill.
Therefore, there is a saying in society that 1/3 of cancer patients died of illness, 1/3 was put to death, and 1/3 was scared to death. A good attitude is a good way to overcome all diseases and prolong life.