What are the differences between an annuity derivation and perpetuity derivation ... The differences between an annuity derivation and a perpetuity derivation of the time value of money is due to differences ...
A crack cocaine overdose can be very serious and can result in long-term damage to the body of the user, coma, or death.
The method by which cocaine is administered has an influence on the short-term effects of the drug: Snorting can have relatively delayed effects on the body, but leads to a longer high. Smoking or injecting has a more rapid effect--with onset in as few as 7 seconds, but with duration of only 5-10 minutes.