Abdul has volunteered to participate in an experiment evaluating the effectiveness of aspirin. neither he nor the experimenters know whether the pills he takes during the experiment contain aspirin or are merely placebos. the investigators are apparently making use of

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.

age might have something to do with behavior depending on the age because not everyone who is the same age acts the same like 2 year olds could have bad behavior but some won't.

i hope this : )