Addiction

Breaking Bad and crystal meth—a chemical reaction

Crystal meth has at least two faces, in common with those people unfortunate enough to succumb to its charms, as these horrific before-and-after pics show. I'd like to look at the drug chemically, to shine a light on what ...

Neuroscience

Sudden stress shifts human brain into survival mode

(Medical Xpress) -- In threatening situations, the brain adapts within seconds to prepare for an appropriate response. Some regions are temporarily suppressed. Others become more active and form temporarily alliances for ...

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