Given its small stature and seemingly specialized mechanism, researchers have long believed that your brain’s locus coeruleus (LC), which in Latin means “blue spot,” has been little more than a vessel for norepinephrine, the arousal-stimulating neuromodulator that regulates blood pressure in the body. A recently published paper, using

Equipped with their own sets of DNA, mitochondria are both a crucial part of our cells and a list of potential problems waiting to happen. The mitochondrial DNA harbors a number of mutations that can be provoked by any number of factors — even seemingly benign ones like age or stress. Damage to the mitochondria can also