Vitamin D may lower blood pressure in older people with obesity

An experimental study showed that heat exposure increased myocardial blood flow to put stress on the heart, and some people showed asymptomatic heat-induced myocardial ischemia

The FDA’s Vac­cines and Re­lat­ed Bi­o­log­i­cal Prod­ucts Ad­vi­so­ry Com­mit­tee met Thurs­day to as­sess whether the Covid-19 vac­cine needs to be up­dat­ed, with the com­mit­tee vot­ing