Stages of Cancer Progression and Factors That Aggravate Cancer Risks

Cancer unlike any infectious fever doesn't form overnight. For example malarial fever, typhoid, jaundice etc. may affect a person within days of coming in contact with the virus or bacteria but it may take decades for the cancer to get initiated, progress and prove fatal. There are various stages of the cancer first is the presence of carcinogens. There has to be presence of carcinogens in the body. Carcinogens are free radicals that are formed due to normal body metabolism as well as external factors like smoke, environmental pollution, pesticides entering body through food chain etc. Second stage is the process of initiation where these carcinogens cause sufficient cellular damage and affect the DNA structure.