Foods high in salt are frequently high in nitrosamines which by themselves cause cancer. Salted, smoked and pickled foods are not advised. Use a salt substitute that is rich in potassium rather than in sodium. Potassium recently has been shown to have a blood pressure lowering effect. Cigarettes should be totally avoided as should the inhalation of passive smoke.
Tobacco smoke produces cancer of the lung and bladder, cardiac and respiratory disease.
If you need help quitting contact your physician for help or participate in one of the many programs available. Alcohol intake should be minimized to 1 or 2 ounces a day. Alcohol will wash out many of the water soluble vitamins as well as increase the consumption of Vitamin C, zinc, selenium, magnesium, calcium and potassium. Alcohol in excess will increase fat deposits in the heart and decrease immune function. Alcohol is a toxin to the bone marrow and can cause liver injury leading to hepatitis and cirrhosis.