brain

(Newser) - A pacemaker-like implant that relies on small electrical shocks may cut the risk of heart attack and stroke in half for patients with drug-resistant hypertension, a new study shows. The device, which sends electrical shocks through the neck's carotid arteries, tricks the brain into thinking blood pressure is even higher...

(Newser) - Add a little scent to your evening and your sleep, and your memory works better in the morning. A recent study showed that the smell of roses, administered while participants played a computer game, and then while they slept, improved their rate of recall after they woke by 13...