Do Candles Pose Lead Dangers?

Lead is sometimes used to make candle wicks – just a thin thread helps
the wick remain upright as the wax melts. But new research from the
University of Michigan found some candles emit potentially dangerous
levels of lead when they’re burned. As the Great Lakes Radio
Consortium’s Wendy Nelson reports, it’s a case of de-ja-vu for American
candle makers: