(GCE O Level Biology 5090) Use and Abuse of Drugs: Definition, Medicinal Drugs, Alcohol

This video is discussing about the usage and the effect of drugs abuse. This relate to GCE O Level Biology 5090 syllabus content below:

12.(a) define a drug as any externally administered substance that modifies or affects chemical reactions in the
body
12.
(b) describe the medicinal use of antibiotics for the treatment of bacterial infection
12.(d) describe the effects of excessive consumption of alcohol: reduced self-control, depressant, effect on
reaction times, damage to liver and social implications