Xiaoman Health Myth 1: Drinking more beer can relieve summer heat.
On a hot day, drinking beer does feel cool. But drinking too much will make people feel thirsty and warm all over. Because beer contains alcohol, if you drink too much at a time, the alcohol content entering the human body will be too high. If you keep drinking beer, is it caused by alcohol? Warm? This feeling will continue, and the symptoms of thirst and sweating will be aggravated.
Xiaoman Health Myth 2: The sooner you do morning exercises, the better.
Many people think that the earlier you do morning exercises in summer, the better. In fact, the air is not fresh before dawn or when it is foggy, which is not conducive to fitness. According to experts' research, before 6 o'clock in the summer morning, pollutants in the air are the most difficult to spread, which is the peak of pollution. In addition, before sunrise, there was not much fresh oxygen around the green plants because there was no photosynthesis. Practicing too early in the morning is easy to catch a cold, causing joint pain, stomach pain and other diseases. Therefore, the time for morning exercise in summer should not be earlier than 6 o'clock.
Xiaoman's health misunderstanding 3: The darker the sunglasses, the more you can protect your eyes.
Many people think that the darker sunglasses are, the better they can protect their eyes. This view is wrong. If the color of the lens is too dark, it will seriously affect the visibility and cause harm to the eyes. Experts suggest that it is best to choose sunglasses lenses that can transmit 15% to 30% visible light, especially gray and green.
Xiaoman health misunderstanding 4: air conditioning should be constant temperature.
Air conditioning is used in summer, and many people are used to setting the temperature at a certain value. In fact, constantly adjusting the room temperature can make people's physiological temperature regulation mechanism always in a "tense state", thus improving people's adaptability and self-protection ability, so as to avoid catching colds or other room diseases. Of course, when the air conditioner is used for adjustment for the first time, the temperature change range should be controlled between 3 degrees Celsius and 5 degrees Celsius; After half a month, the amplitude can be gradually increased to 6 degrees Celsius to 10 degrees Celsius. Don't change the temperature too suddenly, and it is advisable to adjust it at 1 Celsius to 2 Celsius every time.
Xiaoman health myth 5: a lot of exercise is healthier.
Summer is a fire and the climate is hot. It is the season when everything flourishes, and it is also the period when the human body has the highest yang and vigorous metabolism. After the long summer, the temperature rises gradually and it is easy to sweat. Sweat is the liquid of the heart. If you exercise vigorously at this time, it is easy to cause water shortage. Therefore, we should choose slow-paced aerobic exercise such as walking, jogging, playing Tai Ji Chuan, and drink warm water properly after exercise to replenish body fluids. The intensity of activity should not be too tired, and the time should not exceed 1 hour, so as to reduce the heart load and prevent myocardial ischemic attack.