Atenolol (Atnol (50 mg)) blocks beta-1 receptors, which are present on the heart. This prevents the action of nerve chemicals adrenaline and noradrenaline on the heart. As a result, heart beats at a ...
Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Suzanne is a content marketer, writer, and fact-checker. She holds a Bachelor of Science in ...