The Heart-Healthy Secret You Might Be Missing: How Selenium Supports Cardiovascular Wellness When we talk about heart health, selenium probably isn't the first nutrient that comes to mind. But maybe it should be. Cardiovascular disease (CVD) remains the leading cause of death worldwide. In North America, where sedentary lifestyles and processed diets are common, heart-related illnesses are unfortunately a regular part of life. Most of us know the basics—watch your cholesterol, manage stress, get regular exercise—but what if there was a lesser-known mineral that could quietly play