Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

I tested six popular thermometers and compared their ease of use, reading speed and design, and found two models I’d recommend to anyone for at-home use.

Alex Pretti was confronted on a Minneapolis street by an officer who was later on the scene of his shooting, video analyzed by CNN shows.

Division of Preventive Medicine, Department of Epidemiology, Brigham & Women's Hospital, Harvard Medical School, Harvard School of Public Health, Boston, Massachusetts USA Correspondence to Dr I-Min ...