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Question

Which of the following can cause cancer as well as cure it, depending upon its intensity and use?

A
Chemicals
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B
Tobacco
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C
Ionised radiations
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D
Ultra-violet rays
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Solution

The correct option is C Ionised radiations
Beams of ionised radiations could be used to destroy tumours. The drug molecules are injected into the bloodstream and then "switched on" by shining ionised radiations on the part of the body where they are needed. Because these molecules only work when bathed in light, doctors are able to use ionised radiations to ensure that only the drugs embedded near the tumour are switched on. By damaging the skin's cellular DNA, excessive ionised radiations produces genetic mutations that can lead to skin cancer. Ionised radiations is considered the main cause of non-melanoma skin cancers, including basal cell carcinoma and squamous cell carcinoma.

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