Magnetic fields could help prevent heart attacks

Overly-viscous blood can damage blood vessels and lead to heart attacks. Therefore, people who are at risk of heart attacks take medications such as Aspirin, in order to thin their blood. Such drugs can have unpleasant side effects, however, and can only be taken a certain number of times per day. Prof. Rongjia Tao, a physicist from Philadelphia's Temple University, now thinks he might have come up with a better way of thinning human blood - he subjects it to magnetic fields.

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