Dr. Leana Wen suggests exercising in the morning as a precaution against heat-related issues.
It's summertime in the Northern Hemisphere, and while the urge to get active outdoors is strong, the rising temperatures can pose risks for outdoor exercise.
We all know the importance of physical activity, with adults recommended to aim for at least 150 minutes of moderate-intensity exercise per week. This includes activities like brisk walking, biking, and even vigorous household chores. But when the heat climbs, is it safe to continue these activities outdoors?
How hot is too hot for exercising outside? Are there specific times of the day that are safer for outdoor activities? What precautions should younger and older adults take, especially those with health conditions or on medications that can be affected by heat?
To shed light on these questions and help keep us safe and active this summer, CNN spoke with Dr. Leana Wen, an emergency physician and wellness analyst. Here are some insights from the discussion:
CNN: What precautions should people take before exercising during the summer?
Dr. Wen: Summer is a great time to be active outdoors, but it's crucial to check the weather forecast first. If temperatures are soaring, especially during a heat wave, avoid exercising during the hottest part of the day. Instead, opt for early morning or evening workouts. If the heat is relentless throughout the day and night, it's best to stay indoors for your exercise routine.
CNN: What are the risks of working or exercising too much outside in the heat?
Dr. Wen: Prolonged exposure to high temperatures can lead to heat exhaustion, characterized by symptoms like headache, weakness, dizziness, and nausea. If these symptoms occur, move to a cool, air-conditioned space and hydrate. Severe cases can progress to heat stroke, a medical emergency that requires immediate attention if symptoms worsen to include confusion and vomiting.
CNN: Who is most vulnerable during a heat wave?
Dr. Wen: The most vulnerable groups include young children, the elderly, and individuals with chronic medical conditions. Conditions such as heart disease, lung disorders, and kidney problems can be exacerbated by extreme heat.
CNN: Can certain medications increase vulnerability during a heat wave?
Dr. Wen: Yes, certain medications can heighten risks in hot weather. Common blood pressure medications like calcium channel blockers, beta-blockers, and diuretics can affect hydration and electrolyte balance. Medications used for mental health conditions, such as antidepressants and stimulants for ADHD, may also impact the body's ability to regulate temperature. Even over-the-counter drugs like antihistamines can reduce sweating and affect heat tolerance.
In conclusion, while summer offers ideal conditions for outdoor activities, it's crucial to exercise caution in extreme heat. Checking the weather, staying hydrated, and knowing the signs of heat-related illness are essential steps to staying safe while staying active this season.
