Extreme heat poses unique risks to heart health, particularly for individuals with pre-existing cardiovascular conditions. Rising temperatures have been linked to increased hospital admissions for heart-related issues, underscoring the importance of understanding how heat affects cardiac wellness. As climate change contributes to hotter temperatures globally, it’s essential to understand how to protect the heart from these external stressors. The effects of heat on cardiovascular health can range from dehydration to heart strain, making heart care more challenging during hot weather. How High Temperatures Affect the Heart When temperatures soar, the body has to work overtime to maintain a stable internal temperature. This process places a greater workload on the heart, which has to pump faster to help cool the body through sweating. During extreme heat, blood flow is redirected towards the skin, away from vital organs, which can place additional strain on the heart. For people w...