Explores the latest research on marijuana, including the scope of marijuana use in the U.S., health consequences, its effects on every-day activities, available treatments.
Definition of homunculus. plural. homunculi. play \hÅ-ËmÉÅ-kyÉ-ËlÄ«, -ËlÄ\. 1 : a little man : manikin. 2 : a miniature adult that in the theory of preformation is held to inhabit the germ cell and to produce a mature individual merely by an increase in size.
A pacemaker is an electrical device. It is implanted under your skin to help manage irregular heartbeats called arrhythmias. Modern pacemakers consist of two parts. One part contains the battery and the electronics that controls your heartbeat. The other part is one or more leads, which send signals to your heart.