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<span>Three keys to good health are a balanced diet, frequent exercise, and no smoking. A balanced diet will give you the nutrients you need to stay healthy, frequent exercise will keep your body in shape, and by not smoking, you're preventing yourself from becoming susceptible to certain sicknesses (i.e. lung cancer).</span>
<span>It is true that tobacco can damage the immune system of a person with AIDS. Although this is the case with most people - tobacco negatively affects anyone's immune system, not only those who have AIDS - people who do have AIDS are more likely to be seriously harmed than those who do not. People with AIDS already have a weakened immune system that is unable to fight off any diseases, so if it is damaged even more, they can easily die.</span>
because low self-esteem can lead to depression and make it hard for a person to have healthy relationships with others