It is a ridiculous thing, and fit for a satire to persons of judgment, to see what shifts these formalists have, and what prospectives to make superficies to seem body, that hath depth and bulk. I speak of the north shore of Tahoe, where one can count the scales on a trout at a depth of a hundred and eighty feet.
Marijuana in the Body. Every time someone smokes a marijuana cigarette or ingests marijuana in some other form, THC (delta-9-tetrahydrocannabinol) and other chemicals enter the user's body. The chemicals make their way through the bloodstream to the brain and then to the rest of the body.
What Does Nicotine Do to Your Body? Nicotine, the active and addictive ingredient of tobacco, is a mild central nervous system stimulant and a stronger cardiovascular system stimulant. It constricts blood vessels, increasing the blood pressure and stimulating the heart, and raises the blood fat levels. In its liquid form, nicotine is a powerful poisonâthe injection of even one drop would be deadly. It is the nicotine, not the smoke, that causes people to continue to smoke cigarettes, but it is the cigarette smoke that causes many of the problems. Cigarette smoke is a combination of lethal gasesâcarbon monoxide, hydrogen cyanide, and nitrogen and sulfur oxidesâand tars, which contain an estimated 4,000 chemicals.