LSD/acids:
A drug produced as a crystal from lysergic acid. Sold in the form of colorless, odorless liquid, gelatin tablets, capsules or squares
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Heroin:
Made from poppy resin, such as opium and morphine. Most heroin is injected, thus increasing the likelihood of an infection, notably HIV (AIDS).
Alcohol:
Alcohol abuse strongly impacts the brain and also causes damage to the gastrointestinal tract, the liver, the heart, the pancreas. Moreover, there is a strong scientific consensus of an association between alcohol and several types of cancer.