March 11, 2014; 9:29 PM ET
After a springlike Tuesday in Philadelphia, a stormy Wednesday will be followed by an icy rapid freeze up Wednesday night. more >
Thunderstorms in the area late tomorrow morning through early tomorrow evening
More than half of hospitalized patients receive antibiotics, but these prescriptions may often be inappropriate — for example, giving patients the wrong medicine or leaving them on a drug for too long, according to a new report from the Centers for Disease Control and Prevention.
People with mild asthma are advised to lower their medication dose once their asthma has been brought under control, but the best way to reduce the dose is not fully known, doctors say.
Fitness tracker maker Fitbit has issued an apology and is offering refunds and replacements to some users of its popular fitness tracker who have experienced rashes on their wrists.