It was also believed that incense smoke had a prophylactic effect in the time of plagues and epidemics.

The dancers are often enveloped in incense smoke.

It was also once believed that the incense smoke guarded against contracting the many diseases that plagued the populace in past centuries.

The incense smoke provides an answer, but the smoke must be interpreted by a diviner.

The study found gaseous aliphatic aldehydes, which are carcinogenic and mutagenic, in incense smoke.