Question

What are beta blockers? ??????

Answer 1

Beta Blockers is also know as beta adrenergic blocking agent .
That reduce the your blood pressure.Beta Blockers work by blocking effect of the hormone epinephrine, also known as adrenaline

Answer 2

Beta-blockers are drugs that block the effects of adrenaline, the hormone that triggers your body's fight-or-flight response when you're stressed. This slows your heart rate and eases up on the force your heart squeezes with. Your blood pressure goes down because your heart isn't working so hard. These medicines can also relax blood vessels so the blood flows better.