Top stories in health and medicine, February 4, 2013

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1. Can Images Unlock the Mystery of a Healing Brain?. Reports that sophisticated imaging had revealed residual brain activity in former Israeli prime minister Ariel Sharon, who’s been comatose for more than 6 years, focused on the spectacular technology involved, but overlooked a more important clinical story — that some patients with severe brain injury actually do regain some degree of cognitive function.

2. Veggies Are Good for the Heart. Vegetarians are less likely to develop ischemic heart disease than those who eat meat.

3. Brain Imaging Predicts Response to Depression Tx. Changes in brain activity in response to visual stimuli predicted treatment response in patients with major depressive disorder.

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