Smoking is considered a cause of carcinogenesis.

His stress is one cause of his health problems.

He sucked in the juice with a straw.

This machine has a strong suction power.

Smoking increases the risk of carcinogenesis.

Smoking cigarettes is not good for your health.

He quit smoking tobacco.

This cigarette contains carcinogens.

It is said that this substance has a high carcinogenicity.

He was reading the newspaper while holding a cigar in his mouth.