Stimulant Drugs: Tobacco, Cocaine, and Amphetamine
Stimulants are psychoactive drugs that induce temporary improvements in either mental or physical functions or both.
Nicotine.
The plant tobacco contains the alkaloid nicotine, a stimulant. The use of this plant, particularly in smoking, is a risk factor for many diseases, especially those affecting the heart, liver, and lungs, and several cancers.
Nicotine is a potent parasympathomimetic alkaloid found in the nightshade family of plants and is a stimulant drug.
Cocaine, also known as benzoylmethylecgonine, is a strong stimulant. It is commonly snorted, inhaled, or injected into the veins. Mental effects may include loss of contact with reality, an intense feeling of happiness, or agitation.
The class of substituted methamphetamines span a variety of pharmacological subclasses, including stimulants, entactogens, hallucinogens, among others. Examples from this class of drugs include ephedrine, cathinone, MDMA (ecstasy), and DOM (STP).
Methamphetamine is a strong central nervous system (CNS) stimulant that is mainly used as a recreational drug. Chronic high dose use can precipitate unpredictable and rapid mood swings, prominent delusions and violent behavior.