<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>
<span>How many alcoholic commericals do teens see each year while watching tv?
2000
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<span>The bargaining stage may occur prior to loss as well as after loss, as an attempt to negotiate pain away.</span>
The control group is usually the group in which none of their variables are changed. This group is used in order to compare it with the outcomes of the other groups.
