President Donald Trump said Monday that White House Chief of Staff Susie Wiles has early-stage breast cancer. He said her prognosis is “excellent” and that she will continue working during …

A new study suggests that exercise during chemotherapy may help cancer patients protect both their physical health and their mental sharpness. Researchers found that patients who followed a structured exercise …

The Trump administration has temporarily allowed countries to buy Russian oil already stranded at sea as officials try to calm energy markets during the war with Iran. The U.S. Treasury …

New heart guidelines are urging Americans to take cholesterol more seriously earlier in life, with doctors now recommending screening and possible treatment starting in their 30s. The updated guidance from …