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Surveys show that 94% of smokers don't realize the risks for smoking. Many smokers don't realize there's an increased risk of lung cancer, emphesema, or even heart attacks. Breaking the addiction is very difficult.              

Taking high doses of beta carotene, vitamin A, or lutein may increase the risk of lung cancer, especially in smokers. Would eating too many carrots do this? Supplements are over used; we should be more dependent on healthy foods and a healthy lifestyle. Too often we're looking for alternatives to eating a healthy diet.        

  There is no good evidence that if a person is symptom free that any of the common tests that screen for heart disease are helpful according to the US Preventive Services Task Force (USPSTF). Even for people who smoke or those with diabetes or obesity there's no good evidence that heart screening tests save lives or prevent disease. These tests...