in my view unhealthy and you should not use them. if you are going to use candles use be beeswax, so i, or natural candles. the paraffin wax are dangerous. some of the scents that are added to make them are also irritants so don t use those either. and the main message i want to tell you is check your the wick should not be a metal wick. now metal wicks have lead wicks that have been banned in the country since 1970, but some of the imported candles still have them and they can cause lead poisoning from the air. don t use a metal wick. when you buy a candle, it may be more expensive, but buy a natural candle, beeswax candle, soy candle and make sure it s 100% natural and does not contain any paraffin. uma: so you can still have