People become addicted to many types of substances. Many people become addicted to medications and other substances. There are some substances that are more addictive than others. For instance, drugs like heroin are so addictive and it can take it only one or two uses before a person is addicted.
A person who is addicted to cocaine has grown so used to the drug that they feel they can’t live without it. Addiction can be physical, psychological, or both.
Physical addiction is when a person has become physically dependent on a substance.
Over time a person will build up a tolerance to that substance, so that they need a larger dose so that they get the same effects. When an addict who is physically addicted to a substance stops using they may experience withdrawal symptoms. Withdrawal can be much like having the flu and include symptoms such as the shakes, diarrhea, and weakness.
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