Stars have fascinated us since the beginning of history. For eons, mankind has looked to the heavens and wondered at the stars in the sky. Ancient people believed they could see shapes among the stars.
Beta-lactam antibiotics. Î²-Lactam antibiotics are the most widely used class of drugs for the treatment of bacterial infections and have been prescribed for over 70 years (Crowder, Spencer, & Vila, 2006; Daumann, Schenk, & Gahan, 2014; Page & Badarau, 2008; Phelan et al., 2014). From: Advances in Protein Chemistry and Structural Biology, 2014
Beta-blockers are also used to treat high blood pressure and other heart conditions. Beta-blockers reduce the heart rate, the heart's workload and the heart's output of blood, which lowers blood pressure.Beta-blockers cause contraction of the smooth muscle of the peripheral arteries and thereby decrease blood flow to body tissues. As a result, the patient may experience coolness in the hands and feet.eta-blockers cause contraction of the smooth muscle of the peripheral arteries and thereby decrease blood flow to body tissues. As a result, the patient may experience coolness in the hands and feet.