Severe infections may raise dementia risk

Severe infections increase the risk of dementia independently of other coexisting illnesses, according to a new study published in the open-access journal PLOS Medicine by Pyry Sipilä of the University of Helsinki, Finland, ...

Can marijuana cause lung cancer?

As more states legalize marijuana, many people might be wondering if that means it is safe to use. While smoking tobacco is a known and well-studied cause of lung cancer, linking marijuana to cancer is more complicated, says ...

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