how bad is cigarette smoking Health effects of tobacco Smoking - BBC Bitesize

The odds of ever using e-cigarettes were more than doubled (OR = 2.54, 95% CI 1.155.59) for students living with housemates who used e-cigarettes with respect to those for students whose housemates smoked neither tobacco nor e-cigarettes

Gupte HA, Chatterjee N, Mandal G, DCosta M

The American Government made a recommendation to lower total fat consumption and to limit things like meat, dairy, cheese, eggs, butter, oil and lard on the basis that they had very damaging effects

When cruising at high altitudes, airplanes expose passengers to cosmic radiation, which emanates from outer space and interacts with Earth's atmosphere