Denton County Living Well Magazine September/October 2016 | Page 50

Cancer Prevention T he word “cancer” can strike fear in the hearts of whoever hears it, which is unfortunately caused by lots of misinformation. Is there really anything that can be done to prevent cancer? Up to two-thirds of all cancers may be preventable by avoiding tobacco, maintaining a healthy diet and regular exercise, protection from the sun, limited alcohol intake, and regular medical check-ups. Many people think that cancer is hereditary, however, it is estimated that only 5-10% of all cancers are truly hereditary. There are tests for various types of cancer that determine if a person with a strong family history of breast or colon cancer carries the altered gene that will put him or her at high risk. By Dr. Dennis Birenbaum should one never start smoking from the beginning? First of all, it is never too late to quit smoking. People, who quit before the age of 50, half their risk of dying within the next 15 years compared with those who continue to smoke. Smoking, in and of itself, can cause various types of cancer and has been associated with lung cancer, breast cancer, esophageal cancer, head and neck cancer, as well as some forms of bladder cancer. Smoking, which accounts for 87% of all lung cancer cases and 30% of all cancer deaths, can easily be prevented. Unfortunately, smoking also places the smokers’ family at risk for lung disease from secondhand smoke. Chewing tobacco is just as addictive as cigarettes and can cause cancer in the head and neck, throat, and mouth. Alcohol Consumption and Cancer Many people think that alcohol can decrease the risk of cancer. There have been studies that show limited alcohol consumption may provide heart benefits, but other studies have shown that drinking alcohol has been linked to cancer of the colon, breast and liver. When combined with smoking, alcohol greatly increases two to three fold the risk of head and neck cancer and esophageal cancer. It is best to limit alcohol consumption to one drink a day for women and no more than two drinks a day for men. Cancer and Eating Obesity can increase the risk of many types of cancer. Research has shown that those who eat more fruits and vegetables have a decreased risk of developing several types of cancer. Consuming two to three servings of low fat or nonfat dairy products of calcium everyday may be beneficial in protecting against colorectal cancer. Moderate physical activity is defined as 30 minutes or more, 5 days a week. Smoking and Cancer If an individual has smoked for 20 years, has all the damage been done, is it too late to stop smoking or 48 DENTON COUNTY Living Well Magazine | SEPTEMBER/OCTOBER 2016 Tanning and Cancer Tanning beds produce the same ultraviolet radiation as the sun, any tan is a sign of skin damage. To prevent skin cancer, limit exposure to the sun and tanning salons, use sunscreen of SPF 15 or higher when outside, and using protective sunglasses and clothing are key. Early detection provides the very best chance for successful cancer treatment and longer survival. It is imperative that all adults get regular cancer screening exams and speak openly with their physicians about any changes that they may notice.