Now it's candles

As one of those people who always liked candles, I hate to admit this, but it seems to be true. Burning parafin-based candles indoors might be bad for you. But how many candles are too many?

From the linked risk-analysis paper: "These results support the conclusion that the public health risks posed by benzene in candle emissions (soot) do not exceed the threshold (1 excess cancer in 100,000 individuals) for California Proposition 65 listing and labeling. "