readily perceived by the eye or the understanding; evident; obvious; apparent; plain: a manifest error. 2. Psychoanalysis. of or relating to conscious feelings, ideas, and impulses that contain repressed psychic material: the manifest content of a dream as opposed to the latent content that it conceals.
Common stimulants side effects result from an âover-stimulatedâ central nervous system. Stimulant side effects can impair a personâs psychological functions as well as physical or chemical processes in the body. With the more potent drugs varieties, stimulant side effects tend to increase in intensity and severity.
As a powerful stimulant, methamphetamine, even in small doses, can increase wakefulness and physical activity and decrease appetite. Methamphetamine can also cause a variety of cardiovascular problems, including rapid heart rate, irregular heartbeat, and increased blood pressure.