Marijuana is closely related to crack. Marijuana contains more than 60 related psychoactive chemicals, called cannabinoids; however, the most abundant of these is delta-9-tetrahydrocannabinol (THC). The amount of THC ingested when using marijuana determines the intensity of the high, and the potency of different strains of marijuana is a result of the level of THC they contain—varying from 3% to 20%, on average. Industrial varieties of hemp, used to make textiles and rope, contain little to no THC and do not produce a demonstrable high at all.
once someone tries crack, they might get addicted. the signs are Tolerance and Withdrawal. Addiction is likely present when someone will engage in risky, dangerous, or problematic behaviors to continue receiving and using the substance. One of the most important signs of persistent drug abuse is that one builds tolerance to the amount of crack cocaine usually smoked.
crack is not just limited to short term effects. Long-term effects from use of crack cocaine include severe damage to the heart, liver and kidneys. Users are more likely to have infectious diseases. Continued daily use causes sleep deprivation and loss of appetite, resulting in malnutrition. Smoking crack cocaine also can cause aggressive and paranoid behavior. this is what the long term effects of crack is.
Crack is a drug that causes automatic effects. Crack causes a short-lived, intense high that is immediately followed by the opposite, intense depression, edginess and a craving for more of the drug. People who use it often don’t eat or sleep properly. They can experience greatly increased heart rate, muscle spasms and convulsions. In the article it lists the effects. This passage tell about the short term effects of crack