Not reliably. Injecting cancerous cells into a person isn?t enough to give him the disease?the abnormal tissue has to penetrate and grow in other areas of the body. If you injected someone with live cancer cells, his immune system would almost certainly attack and destroy the foreign tissue. In theory, secret agents might be able to induce cancer in a leftist South American president with a severely weakened immune system. Or perhaps they could harvest tissue from him, expose it to a carcinogen, and then reintroduce it into his body. As far as the Explainer knows, however, these techniques have never successfully caused cancer in a human.
Source: http://feeds.slate.com/click.phdo?i=e277c2d0959f892f9eccaf04efeb8cab
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