ANSWERS: 2
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That's hard to say since there are more than 100 kinds of chemotherapy drugs in use today. However, most of them fit into four categories: alkylating agents, vinca alkaloids, cytotoxic antibiotics and anti-metabolites. They all attack and kill cells that are dividing and multiplying, but each does so at a different stage. Because of this, chemotherapy regimens consist of drugs form more than one of these categories.
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There are new drugs being developed. They are designed to target the actual cancer cell, unlike old treatments. The drugs will target the cells and stop their growth. Perhaps the days of bald cancer patients will be a past memory. We can only hope.
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