Due to the COVID-19 pandemic, we often wear masks for outdoor activities today. However, it is currently the summer season, the weather is hot, and wearing a mask for a long time when going out may increase the risk of heat stroke.

Mild heat stroke is often manifested as hyperhidrosis, dizziness, chest tightness, palpitations, nausea, vomiting and other symptoms; In severe cases, sweating or sweating may not be closed, spasms and even fainting, which is life-threatening.

How can you prevent heat stroke in outdoor activities ?

(1) Choose the right time

       Try to avoid traveling in hot weather, and arrange outdoor activities in the morning or evening with low temperatures, suitable temperatures and weak sunshine. After a period of activity, pay attention to rest in a cool place.

(2) Prepare heat protection supplies

       When going out in high temperature weather, be sure to take sun protection measures. Choose lightweight, light-colored, easy-to-dry clothing; Prepare sun hats, umbrellas, sunglasses, etc.; 20 minutes before going out, apply sunscreen with an SPF value of 30 to 50 on exposed skin and reapply it about two hours. At the same time, it is also necessary to prepare sufficient water and carry some anti-heat medicines with you, such as wind oil essence, ten drops of water, and Huoxiang zhengqi water, etc., and use them when necessary.

(3) Reasonable replenishment of water

       Summer outdoor activities sweat more, must be timely to replenish water, but during exercise and after exercise a large amount of drinking water with a filter straw will only cause more sweating, resulting in further loss of salt, causing spasms, cramps, but also to the blood circulation system, digestive system to increase the burden, dizziness, nausea and other symptoms. It is recommended to prepare light salt water or sports drinks.

(4) Adjust the intensity of exercise

       Hot weather recommends reducing the number of outdoor activities or reducing the intensity of outdoor exercise. Outdoor activities such as forest trekking, swimming, fishing, and camping can be selected to ensure safety.

(5) Monitor susceptible populations

       For infants, young children, the elderly, obese people, cardiovascular disease patients, diabetic patients or depressed, insomnia patients, in hot weather, we should pay more attention to avoid heat stroke. When driving outside in summer, do not leave children or pets in a parked car.