An electrocardiogram (ECG or EKG) is a quick test that records the electrical signals in the heart; in layman's terms, it ...

Milestone Pharmaceuticals said on Friday that the U.S. health regulator had declined to approve its nasal spray to treat a ...

Milestone Pharmaceuticals said on Friday the U.S. health regulator had declined to approve its nasal spray to treat a type of ...

but scientists think it could be related to heart rhythm changes, increased demand for oxygen by the heart muscle, or difficulty for blood vessels to relax and expand, thus interrupting blood flow.

Researchers are scheduled to present results of the evidence review March 29 at a ... Weed might increase the risk of heart problems by affecting heart rhythm, increasing oxygen demand in the ...