This cigarette contains carcinogens.

This food may contain carcinogens.

The quality of this product is very high.

What is this thing?

Smoking is considered a cause of carcinogenesis.

Mareo, where are you going today?

This type of flower is very rare, and it's hard to find.

This report includes all the details.

Smoking increases the risk of carcinogenesis.

Education about sex is very important.