The U.S. Department of Health and Human Services added seventeen substances—including several viruses, lead, X-rays, neutrons, naphthalene, cobalt sulfate, diazoaminobenzene, and grilled meat—to the official list of cancer-causing agents.
The U.S. Department of Health and Human Services added seventeen substances—including several viruses, lead, X-rays, neutrons, naphthalene, cobalt sulfate, diazoaminobenzene, and grilled meat—to the official list of cancer-causing agents.