Beta blockers are a group of medications that are typically used to treat hypertension and heart disease but have also occasionally been abused by athletes to gain a competitive advantage. If a medication name ends in “-lol,” such as atenolol or carvedilol, it is usually an indication that the medication is in the beta blocker family.

Beta blockers are antagonists (blockers) to beta-1 (and to a lesser degree beta-2) receptors. Stimulation of beta-1 receptors increases the heart rate, and therefore, taking beta blockers will ...

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