When you think of candles and wood-burning stoves, the first word that will likely come to mind for many is relaxation.
And while it's undeniable that they offer a sense of calm, a popular TV doctor has shed some light on the risks that the everyday items could pose - including lung cancer - if you aren't careful.
Dr Amir Khan, who appears on ITV's Lorraine and is known for sharing informative tips on his Twitter, recently lifted the lid on the dangers of indoor air pollution.