There are more than 1.5 million wood burning stoves in homes across the UK, leading to a major health warning being issued.
Sales are booming for the product, given that they are a cheaper alternative than the central heating, reports Leicestershire Live. However, burning renewable fuel and timber logs isn't as environmentally friendly as some may think.
Research has been increased on wood burners in recent years, as they have been linked to almost 50 percent of people's exposure to cancer-causing chemicals found in air pollution particles in urban areas.