description of smoking a cigarette FDA Tobacco Education & Prevention Resources: Posters, Flyers, & More Chemicals in Cigarettes and Tobacco:

The Centers for Disease Control recently reported that 69 percent of middle and high school students had seen e-cigarette ads, with most of this exposure occurring in retail stores and on the internet

40BondySJVictorJCDiemertLM (2009) Origin and use of the 100-cigarette criterion in tobacco surveys

The flu vaccine available in one hemisphere may only offer partial protection against the flu in the other hemisphere

Atherosclerosis in apoE knockout mice infected with multiple pathogens

Chronic obstructive pulmonary disease, commonly called COPD , is a long-term lung condition that makes breathing increasingly difficult, affecting airflow and oxygen intake, and often worsening slowly over time