Foods such as carrots, sweet potatoes, melons, spinach, and kale can protect your lungs, especially for those who smoke or who regularly smoke secondhand smoke. These foods slow the function of the lungs and make the lungs younger. This is pointed out in an article in the latest issue of the French magazine Chest.
The author of this article, an expert from the French Institute of Hygiene and Medicine, tested the lung function of 1,194 adults aged 20-44 years and their blood levels of vitamin A, vitamin E and beta-carotene. The results of the study showed that during a period of 8 years, those with higher levels of β-carotene in the blood had less degenerative pulmonary function. In addition, in people who smoke at least 20 cigarettes per day, people with higher levels of β-carotene and vitamin E have lower lung function degradation.
Beta-carotene is a kind of carotenoid, and it exists in a large amount in fruits and vegetables such as carrot, red pepper, sweet potato, pumpkin, spinach, cabbage, seaweed, melon, apricot, peach, and mango. Among them, carrots not only have a high content of β-carotene, but also are most commonly consumed in daily life. Therefore, carrots are the best source of β-carotene. To ensure that the β-carotene in carrots can be actually digested, absorbed and utilized by the human body, it has a great relationship with our food and cooking methods. Experiments have shown that if the contact between carrot and air is reduced during cooking, the preservation rate of β-carotene can be as high as 97%. Therefore, it is best to cook the carrot covered with a lid, or use pressure cooker stew, cook method. In addition, since β-carotene is a fat-soluble vitamin, that is, it can only be dissolved in fats and oils. Therefore, when cooking carrots, more cooking oil is used, and the digestibility of β-carotene in the body can reach 90. %.
In addition to protecting the lungs, eating carrots can also play other health benefits. A recent study in the United States confirmed that eating two carrots a day can reduce cholesterol levels in the blood by 10% to 20%; eating three meals a day has a certain effect on the prevention of heart disease and cancer.
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