A large study of women with breast and ovarian cancer has revealed significant gaps between national guidelines for genetic testing and actual testing practices, according to researchers from Stanford and five other institutions.

A Stanford-led study found that increasing the participation of older adults in colorectal cancer screening would help prevent more deaths than expanding testing to people in their 40s.

The opioid epidemic is no longer concentrated among whites in Appalachian and Midwestern states, according to a new study from Stanford, Harvard and the University of Toronto.

A national epidemic of physician burnout showed signs of improvement in 2017, according to researchers at Stanford, the Mayo Clinic and the American Medical Association.

Stanford researchers found that medical trainees spent an average of 5.38 hours — or nearly half of a 12-hour work day — in front of a screen.

Life expectancy grows when there are more primary care physicians in the field, yet their numbers are shrinking as medical students saddled with debt turn to more lucrative fields, according to a study led by researchers at Stanford and Harvard.

In this Q&A, Robert Jackler, a professor who has studied the rapid rise of e-cigarettes among youth, discussed the impact of Juul, a high-nicotine vaping device.

A study from Stanford researchers has found that readmissions account for 9.5 percent of the $911 million spent annually on gun-injury hospitalizations.

States with strict gun laws have lower rates of gun deaths among children and teenagers, and laws to keep guns away from minors are linked with fewer gun suicides in this age group, a Stanford study found.

Scientists at Stanford and two other universities have received a five-year, $11.6 million grant to conduct research on policies related to tobacco retail sales.