Signs of carbon monoxide poisoning often first present as flu ... Gas-powered stoves and appliances such as dryers emit toxic CO. Faulty water heaters can also emit dangerous levels of CO if ...

Water hemlock is considered the deadliest plant in North America, and these poison parsnips have caused at least two ...

Because vitamin A is fat-soluble, the body stores excess amounts. If too much vitamin A is stored, it can become toxic. Poison centers across the United States typically receive 400 to 500 calls ...