Good News on Brains
Turning conventional thinking on its head, scientists find that human brains can generate new cells. Investigators were able to demonstrate that some actively dividing cells in the brains of terminally ill cancer patients were in fact healthy neurons. The finding may lead to treatments for Alzheimer's and other brain disorders.
Bad News on Pacemakers
If you wear a pacemaker, be advised: research shows that certain kinds of antitheft systems located at store exits may interfere with your device. Though it rarely happens, electromagnetic fields from some surveillance systems may cause a pacemaker to speed up or slow...
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