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Nitrates are one of a type of drug known as vasodilators, that are used to treat angina in people with coronary artery disease or chest pain caused by blocked blood vessels of the heart. They work to control angina by relaxing the coronary arteries so blood can flow more easily to the heart.
Types of drugs. Drugs under international control include amphetamine-type stimulants, coca/cocaine, cannabis, hallucinogens, opiates and sedative hypnotics.Countries have decided to control these drugs because they pose a threat to health.While some of the physical effects of drugs might sound nice, they do not last long.rugs under international control include amphetamine-type stimulants, coca/cocaine, cannabis, hallucinogens, opiates and sedative hypnotics. Countries have decided to control these drugs because they pose a threat to health. While some of the physical effects of drugs might sound nice, they do not last long.