Tritium is a radioactive isotope of hydrogen. It emits beta radiation, which can be very dangerous if inhaled. Like other forms of ionizing radiation, tritium can cause cancer, genetic mutations and birth defects, and assorted other adverse health effects. So it is...

Area residents expressed concerns this week about the potential health hazards of releasing radioactive vapors into the atmosphere from four barrels of tritium-laced waste stored at Los Alamos National Laboratory. Most who spoke during a virtual forum Tuesday hosted...