[#item_full_content] A new study analyzing millions of hospital discharge records found higher admission rates for atrial fibrillation, heart failure and heart attacks in states after recreational cannabis laws took effect. FOX Medical Team’s Dr. Mike Cirigliano discusses potential cardiovascular concerns, including increased heart rate and chest pain, and urges people with underlying heart disease to use caution. Researchers say more time and study are needed to understand the effects.  Read More