Folic acid, the synthetic form of the B vitamin folate, has been linked to heart health and cancer prevention, among other possible benefits. But studies have also tied it to higher risks of cancer. Is it protective in some cases, but dangerous in others?
The Internet is full of tools to calculate your likelihood of various health problems, from heart attacks to hip fractures. But which can you trust? Here are eight risk calculators we think are especially useful.
A large 2017 study in the American Journal of Epidemiology has added to the evidence linking rotating night shift work with increased incidence of some cancers.
