is pot smoke as bad as cigarette smoke The good, bad, and unknown about marijuana's health effects The science is clear: Marijuana

Classical culture systems with human small airway cells are unable to reproduce the breathing motions of the lung and commonly used laboratory animals cannot reflect human smoking because they breathe through their noses, and their inflammatory responses differ from those in humans

Study author Susan Hughes, associate professor of psychology at Albright College in Reading, Pa., says most research on sex focuses on what leads to sex, but a number of elements of reproduction happen after sexual intercourse, including: bonding, future relationship intentions and possible continued sexual activities, sperm retention and competition, mate guarding and the possibility of fertilization

Editorials discussing the issue of smoking and its effects were published in newspapers

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