Welcome to medications.com

pack year

Published:

A way to measure the amount a person has smoked over a long period of time. It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years the person has smoked. For example, 1 pack year is equal to smoking 1 pack per day for 1 year, or 2 packs per day for half a year, and so on.

ADVERTISEMENT
© 2002-2007, Skylabs Inc.  |  About Us  |  Disclaimer/Terms of Use  |  Advertise  |  Contact Us  |  Site Map  |  Developed by: W3matter.com