If Your Heart Skips a Beat, It Could Be High Thyroid Hormone Levels

When your heart goes pitter-patter, it might not be love, and you may just want to have your doctor check your thyroid hormone levels. New research from a collaborative group of investigators led by scientists at the University Hospital of Bern in Switzerland has found that individuals with higher levels of thyroid hormone (free thyroxine, or FT4) circulating in the blood were more likely than individuals with lower levels to develop irregular heartbeat, or atrial fibrillation, even when the lev