What diseases can you cause by drinking ice water all the time in summer?

When the weather is hot, human blood vessels are in a state of expansion. If you drink a lot of ice water, it will inevitably lead to rapid contraction of blood vessels, leading to insufficient blood supply to cardiovascular and cerebrovascular diseases. Especially patients with hypertension, coronary heart disease and cerebrovascular disease will lead to hypertension, angina pectoris and even myocardial infarction and cerebrovascular disease. Excessive drinking ice water will also affect the development and physiological function of reproductive system, especially for some girls, regardless of whether they are menstruating or not, drinking ice water or cold drinks at will cause menstrual disorder and dysmenorrhea. Cold gathers in the uterus and even hides the disaster of infertility after marriage. Excessive drinking of ice water by boys will also affect sperm development. In addition, ice water can also cause harm to the throat, vocal cords and respiratory system. In summer, people sweat a lot, and the amount of perspiration can reach 500- 1000 ml every day. In addition to taking water from food, people mainly rely on drinking water to supplement it. So, how to drink water scientifically in summer? 1. Don't wait for thirst, irritability, fatigue and dizziness to drink water: these phenomena indicate that the cells of the body have begun to dehydrate. When you are on the edge of heatstroke, you should develop good drinking habits and drink water regularly. The amount of drinking water per person per day is about 2000-3000 ml, and workers should drink more water under high temperature conditions; 2. Drink plenty of water in summer morning: After a night's sleep, most of the water in the body has been excreted and absorbed. At this time, drink a proper amount of water or milk, soybean milk, rice porridge, mung bean soup, etc. It not only supplements water, but also increases nutrition; 3. When you sweat a lot after work or exercise, you can add some dilute salt water. Sweat contains a lot of sodium chloride, accounting for about 5% of sweat. If the salt is not supplemented in time, it will lead to loss of appetite and severe heatstroke. Sometimes drinking plenty of water is the root cause of salt deficiency, so drinking salt water is also a good way to prevent heatstroke. Generally, salty boiled water, mung bean soup and herbal tea with a salt content of 2-3% are the best drinks. 4. Drinking sour plum soup, tomato soup, orange juice, orange juice and other acidic drinks before and after meals will not only increase appetite, but also help digestion, and can supplement vitamin C in time to prevent heatstroke and maintain normal metabolism of the body; 5. Eat fresh vegetables and fruits in moderation: melons and fruits with high water content, such as cucumbers, watermelons, tomatoes, pods, Chinese cabbage and lettuce. It can not only supplement water and nutrition like vegetables, but also drink honeysuckle tea, chrysanthemum tea and diluted juice.