The autonomic nervous system plays a vital role in regulating heart function by balancing sympathetic and parasympathetic activity. Understanding and maintaining this balance can improve heart rate variability and reduce cardiovascular risks through lifestyle and emerging therapies.

The endothelium, a vital cell layer lining blood vessels, plays a crucial role in heart health. Learn how endothelial dysfunction contributes to cardiovascular disease and discover strategies to protect your heart.

Trimethylamine N-oxide (TMAO), a compound produced by gut bacteria from dietary nutrients, plays a significant role in heart health. Learn how TMAO affects cardiovascular risk and practical steps to manage its levels for a healthier heart.

Environmental temperature changes significantly influence heart rate and cardiovascular function. This article delves into how cold and heat affect your heart and offers practical tips to safeguard cardiovascular health in extreme temperatures.