As we age, our bodies accumulate a lot of damage to the kidneys caused by many unhealthy lifestyle habits. Over time, this can make people over 40 more prone to kidney disease.
However, early kidney disease often has no obvious symptoms, making it difficult to detect. Therefore, it is strongly recommended that friends over 40 undergo a B-mode ultrasound examination of the kidneys during their physical examinations.
Through the B-mode ultrasound examination, we can clearly observe whether the shape and size of the kidneys are normal and whether there are any issues such as tumors. In addition to undergoing a B-mode examination, you can also understand the condition of your kidneys by observing the symptoms of morning urination.
What functions do the kidneys have?
The kidneys are an important organ of the human body with many functions, the most important of which is to excrete metabolic waste products and regulate water, electrolytes, and acid-base balance. In addition, the kidneys also have other important functions, such as maintaining bone health and producing red blood cells.
Firstly, the kidneys are responsible for excreting metabolic waste products from the body, including urea, creatinine, uric acid, and others. When the body breaks down food and oxygen, these waste products are produced and need to be excreted by the kidneys. If kidney function is impaired, these waste products may accumulate in the body, leading to a series of health problems.
Secondly, the function of regulating water, electrolytes, and acid-base balance is crucial for maintaining normal body function. The kidneys filter the blood, removing excess water and waste while retaining the electrolytes and nutrients the body needs. Additionally, the kidneys maintain stable blood pH by regulating acid-base balance.
Furthermore, the kidneys also play a role in maintaining bone health. The kidneys can produce a substance called “active vitamin D,” which promotes intestinal absorption of calcium and helps maintain bone health.
Lastly, the kidneys are involved in the production of red blood cells. The kidneys can produce a substance called “erythropoietin,” which stimulates hematopoietic stem cells in the bone marrow to differentiate into red blood cells, thereby maintaining the body’s oxygen supply.
For men, if there are no three of the following symptoms when urinating for the first time in the morning, it may indicate good kidney function:
Abnormal urine color
Normally, urine should be pale yellow or colorless and transparent. However, when there are problems with the kidneys, the color of the urine may change. For example, if the urine is dark tea-colored or soy sauce-colored, it may be due to kidney damage or decreased filtration function. Therefore, if abnormal urine color is noticed when urinating in the morning, it is advisable to seek medical examination promptly.
Abnormal urine volume
The volume of urine in a normal person may vary throughout the day, but when there are kidney problems, the volume of urine may become excessive or inadequate. If a man finds a significant decrease or increase in urine volume, lasting for a long time, it may be a sign of kidney disease. In this case, prompt medical examination and treatment are recommended.
Pain or discomfort during urination
If a man experiences pain or discomfort during urination, it may be due to kidney or other urinary system problems. For example, kidney stones, prostatitis, and other conditions can cause pain or discomfort during urination. Therefore, if a man experiences such symptoms when urinating in the morning, prompt medical examination and treatment are necessary.
Eat these 4 types of foods more to nourish kidney health:
Black beans
Black beans are rich in nutrients such as protein, fats, carbohydrates, vitamins B1, B2, niacin, calcium, iron, etc., and have nourishing the kidneys, activating blood circulation, diuretic, and detoxifying effects. Consuming black beans in moderation can nourish the kidneys and boost the immune system.
Mulberries
Mulberries contain a lot of water, sugars, various vitamins, carotene, essential trace elements for the body, and have effects such as nourishing the liver and kidneys, supplementing yin and blood. Regular consumption of mulberries can promote metabolism and benefit kidney health.
Chinese yam
Chinese yam contains various nutrients such as starch, sugars, proteins, vitamins, and various trace elements, and have effects such as tonifying the spleen, nourishing the stomach, enriching the kidneys, and securing essence. Consuming Chinese yam in moderation can enhance kidney function and boost the immune system.
Black sesame
Black sesame is rich in fats, proteins, vitamin A, vitamin E, lecithin, calcium, iron, and other nutrients, with effects such as nourishing the liver and kidneys, nourishing essence and blood, and moisturizing the intestines. Consuming black sesame in moderation can nourish the kidneys and prevent kidney diseases.
A “good kidney” has 4 standards, how many have you achieved?
Clear and bright urine color
Under normal circumstances, our urine should be light yellow and clear. If the urine appears turbid, foamy, or dark in color, it may indicate kidney function problems. In this case, prompt medical examination is advised to prevent the condition from worsening.
Painless and itch-free
When there are problems with the kidneys, there may be symptoms such as back pain or soreness. If our kidneys are painless and itch-free, it indicates relatively good kidney health. However, the presence of the aforementioned symptoms does not necessarily mean there is a kidney problem; other indicators need to be considered.
Normal urination
Normal urination is a key indicator of kidney function. If urination is normal, it indicates good kidney function. However, if there are frequent or infrequent urination or symptoms such as urgency or frequency, it may indicate kidney problems. In such cases, prompt medical examination is recommended to prevent the condition from worsening.
Normal blood pressure
High blood pressure can put a significant burden on the kidneys, leading to impaired kidney function over time. Therefore, normal blood pressure is an important criterion for a “good kidney.” Regular blood pressure measurements and control are essential for maintaining kidney health.
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