1. By 1996, 27 percent of the magazine's drug ads were for calcium blockers . 2. But many doctors instead prescribe calcium blockers , which came into widespread use in the late 1980s. 3. Lange explained how Ranolazine would differ from current angina drugs, like nitroglycerin, beta blockers or calcium blockers . 4. Calcium blockers include Procardia and Norvasc.5. "There's no good reason to choose a calcium blocker over any other agents available right now for hypertension ." 6. This is believed to be due to the effects of calcium blockers on dopaminergic and glutamatergic signaling in the brain. 7. Calcium blockers regulate the flow of calcium into cells lining blood vessel walls, making it harder for the vessels to constrict.8. The American Heart Association said that the new study shouldn't make people taking calcium blockers panic or stop taking their medication. 9. In 1985, 12 percent of the advertising was for beta blockers, 5 percent for calcium blockers and 4 percent for diuretics. 10. Calcium blockers or beta blockers may take away the angina chest pain but leave a person so weak or lethargic that they can't perform ordinary tasks.