The elderly should eat more "three blacks" and less "three whites"

"Three whites" refers to salt, sugar, and lard, which the elderly should eat less; "Three blacks" refers to mushrooms, fungus, and kelp. The elderly can eat more of these foods.

Generally speaking, the salt intake of the elderly should not exceed 5 grams per day; sugar is an essential basic substance for the human body, but it should not be taken in too much; fat meat should not be eaten too much, but if it is cooked properly (simmered for 1 hour), the saturated fatty acids in the fat meat that are not good for the human body can be reduced.

Shiitake mushrooms, black fungus, kelp, etc. are all foods that are healthy and they belong to the category of "black foods".

Shiitake mushrooms have dark skin and can dissolve cholesterol and can lower blood lipids and cholesterol. Since shiitake mushrooms contain a large amount of vitamin D, eating more of them can prevent osteoporosis. In addition, regular consumption of shiitake mushrooms can also prevent cancer and cold.

Black fungus has the effect of nourishing and activating blood. It can resist platelet aggregation, prevent blood coagulation from forming thrombosis, and can prevent and treat coronary heart disease, arteriosclerosis, etc. If you eat some black fungus every day, it can prevent blood vessel clogging.

Kelp and seaweed are algae foods, rich in algin, iodine, calcium, mannitol, crude fiber, vitamin B and other elements, which help to lower cholesterol, soften blood vessels, and prevent and treat hypertension, coronary heart disease, goiter and other diseases.