Lemon is rich in vitamin C, which has many functions, such as anti-bacteria, improving immunity and assisting the formation of bone collagen. Drinking lemonade regularly can supplement vitamin C. Drinking 500 to 1000 ml of lemonade every day can reduce runny nose when you have a cold, and the cold will spread quickly, especially when you have just caught a cold, and you can recover without taking medicine. In addition to resisting bacteria and enhancing immunity, it also has the effects of stimulating appetite, promoting digestion, promoting fluid production and quenching thirst, and relieving summer heat.

2. Prevention and treatment of cardiovascular diseases

Drinking lemonade can also prevent and treat cardiovascular diseases, because lemonade can alleviate the role of calcium ions in promoting blood coagulation, so it can prevent and assist in the treatment of hypertension and myocardial infarction.

3. Prevention and treatment in kidney calculi

Lemon water contains a lot of citrate, which can inhibit the crystallization of calcium salt, thus preventing the formation of kidney calculi, and even reducing the number of stones in some patients with chronic kidney calculi. The research results published at the annual meeting of the American Urological Society also show that drinking lemon juice can increase the level of citrate in urine, and citrate can prevent minerals in urine from forming crystals in the kidneys, that is, kidney calculi.

Step 4 eliminate phlegm

In fact, lemon can expectorate, and the expectorant effect is stronger than that of oranges and tangerines. Its specific method is to add warm water and salt to lemon juice, and drink it to cough up the thick phlegm accumulated in the throat smoothly. At the beginning of a cold, you may wish to wash it with lemon and honey, which can relieve sore throat and reduce discomfort such as dry throat.