Cancer of the breast can occur at any age, but generally occurs after the age of 30 years. Certain cancers are more common in men because of their habits. Many cancers predominantly occur in one sex for no apparent reason. Certain cancers are found to be more common in a particular geographical location. This may also be due to associated factor of climate race and habits of people residing in that location.
Many cancers occur in tissues, which have undergone an abnormal change.
Similarly melanoma may arise in a pre existing mole or dark pigmented spot. Online Shopping Auto Junction Chronic irritation of the lining of mouth and throat due to cigarette smoke, habit of chewing paan. , gutka, paan masala predispose to cancer. Chronically inflamed issues and congenitally abnormal tissue. Like an undescended testis have an increased risk of undergoing ,malignant change. Diet also has a role to play.