Regular mammograms to screen for breast cancer should start younger, at age 40, according to an influential U.S. task force. Women ages 40 to 74 should get screened every other year, the group said.
Analysis of human brain tissue revealed differences in how immune cells behave in brains with Alzheimer’s disease compared to healthy brains, indicating a potential new treatment target.
Weekly COVID-19 hospitalizations have hit their lowest level ever reported since the pandemic began, according to data from the Centers for Disease Control and Prevention.
