does smoking cigarettes make you sleepy Why smokers are invariably fighting fatigue The Relationship Between Nicotine and

In youths, concerns include the potential negative impact of nicotine on adolescent brain development, as well as the risk for nicotine addiction and initiation of the use of conventional cigarettes or other tobacco products. Do E-Cigarettes Contain Toxic Ingredients

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Years ago, scientists first noted an association between cigarette smoking and lung cancer

Recruiting 1,400 children, ages 6 to 8, from the Hong Kong Children Eye Study, researchers used swept-source optical coherence tomography to measure choroidal thickness among children exposed to secondhand smoke at home and those with no exposure