Side effects from chronic smoking of cocaine include hemoptysis, bronchospasm, pruritus, fever, diffuse alveolar infiltrates without effusions, pulmonary and systemic eosinophiliachest, pain, lung trauma, shortness of breath, sore throat, asthma, hoarse voice, dyspnea, and an aching, flu-like syndrome. Once in the brain, heroin - similar to other drugs of abuse - causes the release of dopamine, a neurochemical that mediates pleasure and is vital to the normal functioning of the central nervous system. The drugs addictive properties are believed to be related to a chronic and unnatural increase in dopamine levels. Marijuana harms in many ways, and kids are the most vulnerable to its damaging effects. Use of the drug can lead to significant health, safety, social, and learning or behavioral problems, especially for young users. Making matters worse is the fact that the marijuana available today is more potent than ever. Meth is often used illegally for weight loss and to maintain alertness, focus, motivation, and mental clarity for extended periods of time, and for recreational purposes. |