Do you know what knotweed is? It is a very fertile plant and is very common in the field, this grass loves water and can often be seen in puddles.
The origin of its name is related to its shape, the whole plant does not have a single leaf, it looks like a small bamboo, one after the other, which is why people call it knotweed.
But in fact, knotweed is not an ordinary weed, but an herb with high medicinal value. Many elderly people in life usually soak their feet in grass, and it can be used rationally to ** many diseases, let's take a look.
Arthrium is a herbaceous plant, pay attention to the appearance of arthropod when identifying, about 70 cm in height, 1 to 2 mm in diameter, gray-green in color, some branches will come out in the middle, and a red robe will come out at the top.
This plant is widely distributed in our country, it likes to grow near the water, in the "Compendium of Materia Medica" recorded, "horsetail and ephedra are the same, the shape is the same, so it is called ephedra".
Arthrium is a perennial herbaceous plant with black-brown rhizomes, a few with yellow roots, erect stems, and generally clustered plants, with leaves growing in turns.
Because of the peculiar appearance of this plant, some people will plant it in pots and breed it as a flower. In normal times, you can use knotweed boiled water to soak your feet, which may be able to help elderly friends solve old diseases for many years.
1.Replenish qi and blood
In order to maintain the long-term operation and activity of the body, it is necessary to ensure sufficient levels of qi and blood in the body to exert important effects in various organs, tissues and cells.
The pace of life is relatively fast, most people often stay up late in their daily life, obviously lack of qi and blood, do not pay attention to diet and exercise, plus frequent stay up late, eat without moderation, can not replenish nutrients for the body, will cause qi and blood deficiency.
Some places will be very dry due to the influence of geographical location and climate, and if you do not pay attention to the effective replenishment of water in your life, it is easy to have a shortage of water in your body. During sleep at night, there are often symptoms such as throat discomfort and dry mouth, and drinking boiled water in moderation can have a good improvement effect.
Knotting grass has a diuretic effect, which can improve the body's metabolic efficiency and enhance the speed of fluid excretion.
3.Contagious pneumonia
From the perspective of traditional Chinese medicine, as a typical traditional Chinese medicine, nodularium can be used together with other Chinese herbal medicines, which can effectively lead to infectious pneumonia, but scientific and reasonable methods should be adopted in the boiling process.
First of all, it is necessary to prepare the three-money knotted grass, the four-money falling stone vine and the neem seed, clean these herbs, pour them into clean water and soak them for 24 hours before they can enter the high-temperature boiling.
1.Treatment of beriberi
The high incidence of beriberi is a pathological disease caused by a decrease in the body's immune system, or a slow activation of metabolic hormone levels, and infection by external fungi and high-incidence potential biological bacteria.
The medicinal value of nodular grass is abundant, and it has the effect of inhibiting the growth of bacteria and fungi in the feet and the filtration reaction of pathogenic bacteria. The elderly can usually soak their feet with knotweed to achieve a certain health effect, and at the same time, it can also relieve athlete's foot and calluses.
2.Relieves symptoms of insomnia
Insomnia is a problem faced by many elderly people, and knotweed has a calming effect. Adding some knotweed to your feet at night can help the elderly relax and relieve the symptoms of insomnia, so that they can have a good quality of sleep.
3.Rheumatoid arthritis
Rheumatoid arthritis is a common disease of old age, and older people who have rheumatoid arthritis can use knotweed to relieve pain and inflammation. Adding some knotweed to your feet can boost blood circulation and relieve joint stiffness and pain.
1.Eat a light diet
Few people can adhere to a healthy lifestyle, but those who want to strengthen their resistance and live longer need to put in the effort, and if they have a good Xi of eating lightly, they will find that the body is healthier.
Do not use too much cooking oil or sodium salt during cooking, so that the food can maintain its original flavor and obtain the nutrients in the food. Only by paying attention to a light diet can we protect the digestive system, provide nutrients and maintain stable indicators. 
2.Physical exercise
We can often see some elderly people exercising in the park, some doing tai chi, some dancing square dance. These are very good exercises that are perfect for seniors.
However, there are also some elderly people who are reluctant to go out, and it is very wrong for the elderly not to exercise. Proper physical exercise can improve the immunity of the elderly and make them less susceptible to disease infection.
And going out to bask in the sun and exercise more also has certain benefits for the bones of the elderly, and at the same time can reduce the risk of chronic diseases such as hypertension, hyperlipidemia, and hyperglycemia in the elderly.
3.Go to bed early and wake up early
Many people's resistance has become weak, the body aging rate is accelerating, and the brain function is gradually decreasing, all because of irregular work and rest for a long time. Elderly people are prone to neurasthenia, autonomic dysfunction, and decreased sleep quality at night.
If you haven't made an effort to regulate your body, try to get better sleep. It is recommended that the elderly go to bed early and get up early to make the biological clock stable, have sufficient sleep self-regulation, can maintain good organ function, and effectively prevent diseases. 
4.Regular check-upsIf the elderly want to maintain their health, the key is to have regular check-ups, especially the important indicators of the body to understand clearly.
If there is an abnormal index, take corrective measures in time, many people's blood pressure, blood lipids or blood sugar are constantly fluctuating, but there is no examination to understand whether the indicators have changed, and chronic diseases may occur unconsciously.
In order to avoid the occurrence of chronic diseases affecting the health of the elderly, it is necessary to grasp the physical health of the elderly through regular check-ups.
5.Be sure to eat fresh
Eating fresh food, which is low in toxins, can promote the metabolism of internal organs and improve the body's resistance.
The elderly should achieve balanced nutrition, have a reasonable combination of three meals a day, and pay attention to eating less at dinner. Eat more warm food to avoid gastrointestinal problems caused by the cold food.