Can candle smoke kill your brain cells?

While candle smoke can be irritating to the respiratory system, there is no scientific evidence to suggest that it can kill brain cells. However, excessive exposure to any type of smoke, including candle smoke, can have negative effects on your health, such as causing respiratory problems, headaches, and dizziness. It's always best to keep the air in your home as clean as possible by avoiding exposure to unnecessary smoke and pollutants.