Five leading U.S. public health organizations are calling on members of the U.S. Chamber of Commerce’s Board of Directors to withdraw from the Chamber unless it stops fighting measures to reduce tobacco use around the world.

With the public comment period closing this week for the proposed Ozone National Ambient Air Quality Standard, nearly 1,100 health and medical professionals from all 50 states and the District of Columbia joined together in a letter urging the EPA to adopt the most protective standard under consideration - 60 parts per billion (ppb).

Unlike at home, you may have less control at work over your exposure to certain irritants and allergens that can be harmful if inhaled and can cause asthma symptoms (coughing, wheezing, and shortness of breath). Here are four steps to prevent asthma symptoms at work.