Which is the best place to start a search for a physician? a hospital waiting room a community bulletin board a county health department a university premedical program

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They all could apply, but looking at the question itself saying "start a search" I'd say your best answer is A) A hospital waiting room

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases.