Lead poisoning is usually caused by months or years of exposure to small amounts of lead at home, work, or day care. It can also happen very quickly if you are exposed to high amounts of lead.
Lead exposure can occur during work and hobbies if you breathe fumes and dust that contain lead. It can also happen if you swallow lead because of food, drinks, makeup, tobacco products, clothing, and hands contaminated with lead.
John Jerome's spinal cord shines white beneath the surgeons' headlamps, crisscrossed by a web of bright-red blood vessels. He's been on the operating table for more than four hours.
Above the fist-sized opening in his neck hangs a complex steel contraption. It's fixed in place by four posts: two wedged into Jerome's skull and two more in the vertebrae below the surgical wound. Invented by Emory neurosurgeon Nick Boulis, MD, it serves a single purpose: To hold steady the thin needle plunged into...