Alpha receptor agonists are substances that activate the sympathetic nervous system by stimulation of alpha receptors, similar to the effects of epinephrine and norepinephrine. Alpha receptors are ...

Alpha blockers are substances that antagonize alpha receptors which are located primarily in smooth muscle. This acts to vasodilate in the arterial system and, thus, these agents are used to treat ...

Webb Telescope solved the mystery of the Phoenix cluster's star-forming heart Alpha Centauri, our closest star system, consists of three stars. It is gradually moving closer and will reach its ...

As with the original ALPHA sport watch, Mio ALPHA 2 transmits EKG-accurate heart rate data from your wrist without a chest strap and sends it to popular fitness apps, such as Endomondo ...