jpnn.com – Preventing cancer is the best step because prevention makes the damage unnecessary. To prevent cancer, knowledge of what causes cancer is needed so that we can avoid or prevent the possibility of the roots of cancer. Here are some tips to prevent cancer, as reported by the Verywell page. 1. Avoid smoking Smoking is the most significant cancer risk factor that we can control. It is responsible for not only lung cancer but many other types of non-lung cancer. One of the best ways to reduce risk is to stop smoking or never start. Even if you do not smoke, avoiding cigarette smoke is the key to reducing the risk of cancer.