Rising Temperatures Pose Increased Heart Risks, Warns American Heart Association

The American Heart Association has issued a warning about the increased risk of heart-related deaths due to the extreme heat sweeping across the U.S., with forecasts predicting record-breaking temperatures in the Northeast and Midwest. According to the U.S. Centers for Disease Control and Prevention, over 1,200 Americans die annually from extreme heat, a number that is expected to rise significantly, especially among those with cardiovascular diseases.

A study published in the American Heart Association’s journal, Circulation, suggests that deaths from cardiovascular diseases related to extreme heat could more than double in the next two decades. The heat and dehydration force the heart to work harder, which can be particularly dangerous for individuals with pre-existing heart conditions and the elderly. Certain medications prescribed for heart conditions may also exacerbate the body’s reaction to heat, making it crucial for those on such medications to take extra precautions during heatwaves.

The Association recommends several strategies to mitigate the risks during hot weather, including avoiding outdoor activities during peak sun hours, wearing appropriate clothing, staying hydrated, and recognizing the signs of heat exhaustion and heat stroke. Symptoms such as headaches, dizziness, and nausea should not be ignored, as they can escalate to more severe conditions requiring immediate medical attention.

Despite the risks, maintaining physical activity is important, with suggestions to adjust exercise times to cooler parts of the day or find indoor alternatives. The American Heart Association emphasizes the importance of being informed and prepared to protect heart health during the summer months. For more information on how extreme heat affects heart health, visit heart.org.

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