Drugs & Toxicology Chapters 9 & 10. Drugs Are natural or synthetic substances designed to affect the subject psychologically or physiologically.
1 Marijuana: The History & The Mystery By Stuart B. Hoffman, M.D., F.A.C.P. Abraham J. Hammell, D.O.
Fs Ch 10
DRUGS
DRUGS Chapter 5. Introduction A drug can be defined as a natural or synthetic substance that is used to produce physiological or psychological effects.
