Selective beta blockers, like atenolol, work specifically on the heart, according to the NLM, while non-selective beta blockers (like propranolol, which is what 90 percent of those with anxiety ...

Like most meds, beta blockers come with a list of potential side effects, such as low blood pressure, low heart rate, fatigue, reduced libido, and sleep disturbances, according to Dr. Breitinger.

Beta blockers are drugs that block adrenaline in the body, allowing the heart to beat more slowly and lowering blood pressure. They allow blood vessels to relax, increasing blood flow.

The study ran from 2018 to 2023. "Beta blocker treatment led to a modest increase in depressive symptoms" for heart attack survivors who weren't in heart failure, the researchers reported.

"Yeah, yeah, I took a beta blocker so this will be a breeze," Robert Downey Jr. said when he took the stage. Here's everything you need to know.