Background Data for front-line health-care workers and risk of COVID-19 are limited. We
sought to assess risk of COVID-19 among front-line health-care workers compared with the …

ContextData on the range of prescription and over-the-counter drug use in the United States
are not available.ObjectiveTo provide recent population-based information on use of all …

We compared 49 homeless female-headed families with 81 housed female-headed families
in Boston. Most housed families were living in public or private subsidized housing. In both …

Background Population-based estimates of the risk of breast cancer associated with
germline pathogenic variants in cancer-predisposition genes are critically needed for risk …

We assessed the effect of quitting cigarette smoking on the incidence of nonfatal myocardial
infarction in men under the age of 55 in a case–control study of 1873 men with first episodes …

Background Type 2 diabetes mellitus is an increasingly serious health problem among
African American women. Consumption of sugar-sweetened drinks was associated with an …

Nonsteroidal anti-inflammatory drugs (NSAIDs) inhibit prostaglandin synthesis and tumor
growth in the rodent colon. We assessed NSAID use in relation to risk of human large-bowel …

To assess the relation of smoking cessation to the risk of a first myocardial infarction in
women, we compared the smoking habits of 910 patients who had had their first myocardial …

Background— Evidence suggests that longer-term exposure to air pollutants over years
confers higher risks of cardiovascular morbidity and mortality than shorter-term exposure. One …

The authors assessed the risk of uterine leiomyomata in relation to reproductive factors and
hormonal contraception in a prospective cohort study of US Black women. From March 1997 …