Skip to main content
U.S. flag

An official website of the United States government

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.

4 results
  1. ... hour-years of exposure to biomass smoke or coal smoke; more than 5 years of workplace exposure to ... i.e., FEV 1 ) in the mail with no further explanation. 119 The mean ... lost to followup continued to smoke. One study had a high loss to followup ...
  2. ... a 2.8% decrease in nearby counties with no smoke-free workplace legislation. Preventing occupational exposure to lung ...
  3. ... https://medlineplus.gov/spanish/stress.html">estrés</a>, nos relacionamos con los demás y tomamos decisiones. La ... mayoría de nosotros ve el mundo a colores. Nos gusta ver un suntuoso césped verde o una ...
  4. ... PubMed : 25832916 ] [ CrossRef ] 3535. Herndon JM. Evidence of Coal-Fly-Ash Toxic Chemical Geoengineering in the Troposphere: ... Presence of an epigenetic signature of prenatal cigarette smoke exposure in childhood. Environ Res. 2016 Jan;144( ...