In recent years, many people have gradually developed a liking for raw food, and eating raw fish, raw beef, and even raw vegetables has become a fashionable way of eating. However, relevant experts remind us that not all natural foods can be eaten raw. Certain foods, when consumed raw, not only fail to provide nutrients but can also harm human health, posing a greater risk to the elderly. Eating Raw Eggs Can Cause Skin Diseases
Many people have the habit of eating raw eggs, believing that raw eggs are not only more nutritious than cooked eggs but can also reduce internal heat and relieve coughing, while also being a good "beauty product." However, experts explain that raw eggs contain avidin, which prevents other proteins in the egg from coming into contact with digestive enzymes, thus affecting protein absorption. If consumed raw for a long time, it can lead to protein malnutrition, causing symptoms such as rough skin, poor elasticity, sparse and discolored hair, and biotin deficiency disorders. Eating Raw Fish and Shellfish May Lead to Parasitic Infections
It is reported that food-borne parasitic diseases, which pose a serious threat to human health, are usually contracted by consuming raw or undercooked aquatic plants and animals. Eating raw fish slices, raw fish porridge, drunken shrimp and crab, as well as hot pot and barbecue can all lead to infection. At the same time, aquatic products such as shrimp and carp contain an anti-nutrient called thiaminase (Vitamin B1 enzyme).
This enzyme can deactivate thiamin, leading to thiamin deficiency and causing conditions such as seborrheic dermatitis, shingles, and beriberi. The Elderly Should Not Eat Too Much "Raw" Food
Green leafy vegetables are rich in vitamins, but long-term consumption of them raw can lead to a deficiency of minerals in the body, which are essential nutrients for maintaining normal physiological functions. Vegetables like cauliflower, cabbage, and radishes contain goitrogens, which can interfere with the thyroid's use of iodine, leading to goiter, obesity, and dry hair. Vegetables like spinach and green onions contain high levels of phytic acid. Eating them raw allows phytic acid to enter the digestive system, interfering with the absorption of trace elements. Over time, this can lead to trace element deficiency, causing changes in hair structure and color, white spots on nails, and other symptoms. Furthermore, frequently eating large amounts of raw vegetables can lead to a zinc deficiency in the body, which can cause dysfunction of the sense of taste and smell, and may also trigger skin itching in the elderly and worsen forgetfulness. At the same time, eating raw vegetables with sauce increases salt intake, which can potentially lead to high blood pressure. Therefore, the elderly should especially avoid frequently and excessively eating raw vegetables to prevent zinc deficiency.