Marijuana Side Effects: How long and where the effect of marijuana will be on a person’s body depends on many things. How strong the marijuana is, how many times it is smoked, all these things have an impact. Psychopharmacologist Lane MacKregor of the University of Sydney, Australia, said that after smoking marijuana, the chemical tetrahydrocannabinol (THC) is present in the body for several weeks, but the weakness caused by it, that is, the body being unable to work, is only for a short time. It affects many parts of the…
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