Discussion
State whether the following is true or false.
Chemotherapy side effects such as hair loss reflect damage to normal dividing tissues.
Answer: D
Correct answer: True
Most cytotoxic agents act on dividing cells, and they cannot distinguish a tumour cell from a normal one that happens to be dividing. The tissues that suffer are therefore those with the highest turnover - hair follicles, the lining of the gut, and the bone marrow - which is why alopecia, mucositis and myelosuppression are the characteristic side effects, and why they recover once treatment stops.
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