Medical research

'Promiscuous parasites' hijack host immune cells

Toxoplasma gondii parasites can invade your bloodstream, break into your brain and prompt behavioral changes from recklessness to neuroticism. These highly contagious protozoa infect more than half the world's population, ...

Medications

Move over Prozac: New drug offers hope for depression

The brain chemistry that underlies depression is incompletely understood, but research suggests that aberrant signaling by a chemical called Brain-Derived Neurotrophic Factor through its receptor TrkB, may contribute to anxiety ...

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