Beta-adrenergic agonists or Beta-agonists are medications that relax muscles of the airways, which widens the airways and results in easier breathing. They are a class of sympathomimetic agents which act upon the beta adrenoceptors. In general, pure beta-adrenergic agonists have the opposite function of beta blockers.
Lindsay Ell. About Lindsay Ell. Named one of CMTâs Next Women of Country, Lindsay Ell is a triple threat: accomplished musician, unique vocalist and songwriter. The 26-year-old Calgary native learned to play guitar while traveling with her father to country-bluegrass camps as a young girl.
Rachel L. Lindsay Credit Mitch Haaseth/ABC, via Associated Press. Rachel L. Lindsay, a 31-year-old lawyer from Texas, will be the first African-American lead on âThe Bachelorette,â 14 years after the show, a spinoff of âThe Bachelor,â debuted on television.