Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Relative contribution by sugars and humectants to smoke constituent yields
| Smoke constituent | Relative contribution |
|---|---|
| Tar | 2% |
| Nicotine | Not significant |
| CO | Not significant |
| Formaldehyde | 85% |
| Acetaldehyde | 6% |
| Acrolein | 17% |
| 1,3-Butadiene | Not significant |
| Benzene | Not significant |
