Some studies point to melatonin use as beneficial to heart health, while others say the opposite. Here’s how to make sense of ...

New research suggests that regular aerobic exercise doesn’t just benefit the heart muscle, but subtly rewires the nerves that control how the heart works. Regular physical activity does more than ...

POTS (Postural Orthostatic Tachycardia Syndrome) represents a mechanical failure of blood flow, distinct from standard heart disease.

Depression and anxiety may heighten cardiovascular disease risk through chronic stress pathways in the brain and body.

Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a ...

Estrogen is a hormone typically related to reproduction and sexual characteristics, but it also promotes vascular elasticity, encourages cholesterol balance, and has anti-inflammatory properties that ...