Cases of influenza in the United States are rising, driven by a new strain that public health officials worry current vaccines may not protect against as effectively. Health officials and researchers say that although the flu season has not reached its peak, the spike in cases is not historically unusual - and they stress vaccines probably still offer protection against the worst effects of the strain.Subscribe to The Post Most newsletter for the most important and interesting stories from The W

When Scott Hussey heard about the Trump administration’s eagerness to pay for workout equipment in airports, he could not find an upside. If someone got hurt on a pull-up bar, who would they sue? What happens to bags left unattended while travelers get in a few reps? Might this unleash a wave of fitness influencers making - shudder - content at the airport?Subscribe to The Post Most newsletter for the most important and interesting stories from The Washington Post. “It just struck me as being ki

A genetic mutation that carries a 90% cancer risk has been passed on by an unwitting sperm donor to dozens of children, a Europe-wide investigation has revealed.