WEDNESDAY, May 6 (HealthDay News) -- Louisville, Ky., is the most challenging place to live for people with spring allergies, according to the Asthma and Allergy Foundation of America's 2009 list of top 100 Spring Allergy Capitals.

The list, released Wednesday, is...

MONDAY, Oct. 27 (HealthDay News) -- Calcium channel blocker drugs, which are widely prescribed for coronary conditions, might reduce the effect of the clot-preventing drug Plavix, a new study says.

Calcium channel blockers appear to inactivate an enzyme essential for...

THURSDAY, June 23 (HealthDay News) -- Cocaine contaminated with levamisole, a cheap and widely available drug used to deworm livestock, could result in a U.S. public health epidemic, experts warn.

In a report released online in advance of publication in an upcoming...