New research shows taking melatonin for long periods of time could be a sign of underlying heart issues. Data released by the American Heart Association found that long-term use of the popular sleep aid is actually linked to a higher risk of heart failure and early death in adults with insomnia. Now, there is no evidence that the supplements themselves cause this, but experts say the need to take these supplements on a regular basis could mean that something more serious is going on with your health.NBC New ...

Patient Health Status - The president experienced mild swelling in his lower legs [2] - A comprehensive examination, including vascular studies, was conducted [3] - Chronic venous insufficiency was revealed, a common condition in individuals over 70 [3] - No evidence of deep vein thrombosis or arterial disease was found [3] - Laboratory testing, including blood count and metabolic panel, showed results within normal limits [4] - An echocardiogram confirmed normal cardiac structure and function [4] - No signs of heart failure, renal impairment, or systemic illness were identified [4] - Symmetric swelling of the legs may be a sign of aging [5][6][7] - Normal coagulation metrics, echocardiogram, and blood metrics suggest the swelling is not cardiac-related [7] - Bruising on the hand might be a separate issue from the leg swelling [7]