What do you know about health?

1. Washing feet with cold water is harmful to health. The foot is the farthest part of the blood vessel branch, and the normal temperature is the lowest part of the body temperature. Often washing feet with cold water, feet are easy to catch cold, and then it is easy to trigger a series of complex pathological reactions through vascular conduction, which eventually leads to diseases.

2. Cell phone membrane is more harmful to eyes. Under normal circumstances, the care degree of the mobile phone itself is very low, and the extra protective film is easy to cause vision and form or aggravate myopia when used for a long time.

It is ineffective to soften the throat of fishbone with vinegar. Generally speaking, vinegar can really soften fishbone, but it takes a long time, and it is absolutely impossible to say that it can be softened by just a few bites. It is quite unrealistic to solve the problem of getting stuck by drinking vinegar to soften the fishbone.

Eating too much salt can easily lead to high blood pressure. The increase of sodium (salt) intake in diet can make excessive sodium ions stay in the body, which will inevitably lead to water retention, increase of extracellular fluid and increase of blood pressure. People with hypertension must limit salt, and a light diet is more reasonable.

Playing table tennis can relieve visual fatigue and prevent myopia. Table tennis travels fast. In order to make an accurate judgment, most people get the information of the ball through their eyes. In this way, the eyeball is always in high-speed motion, and it is in rapid feedback contact with the brain, which enhances blood circulation, improves the function of eye meridians, and eliminates or relieves eye fatigue.

6. Crossing your legs is harmful to your health. When crossing one's legs, the body generally leans forward, which leads to lumbar muscle strain due to uneven stress. Due to the long-term compression of pelvis and hip joint, backache will occur, and bone lesions or muscle strain will occur over time.

7. Dry chewing food is good for the brain. Dry chewing has the function of strengthening the brain, which can increase the information transmission of brain cells and prevent brain aging.

8. bask in the quilt should not be slapped. Because cotton fiber is thick and short, it is easy to break. Beating the quilt will break the cotton fiber and turn it into "cotton dust", and the quilt will become thinner and thinner, and gradually it will not be warm.

9. It is not advisable to drink yogurt on an empty stomach. The pH value suitable for the growth of lactic acid bacteria is below 5.4. On an empty stomach, people's stomach acid is high, and the pH value is below 2. After meals, the gastric juice is diluted and the pH value rises to 3.5. Therefore, drinking yogurt on an empty stomach is easy to kill lactic acid bacteria, and the health care effect is weakened, but drinking yogurt two hours after meals is better.

10. Sugarcane is known as "blood-enriching fruit". Sugarcane contains many nutrients needed by human body, especially its iron content is as high as1.3 mg100 g, which ranks first among all kinds of fruits and has the reputation of "blood-enriching fruit".