Are gas cookers dangerous?

Gas cookers are a common feature in many kitchens, often preferred by chefs and home cooks for their precise temperature control but gas cookers emit a number of harmful substances when they are in use and even when they are off that can pollute the indoor air and harm your health. Nitrogen dioxide, or NO2, is a gas that is produced when natural gas is burned at high temperatures. It can damage your airways and worsen asthma and COPD. A …