First, there is a crescent-shaped depression in the fingernail, indicating that there is a problem with renal function.
There is a place in our hand that clearly shows the renal function. You see a crescent-shaped depression under your nails, so it is likely that your kidney function is weak. In this case, it is suggested that everyone should pay attention to sleep. Good sleep can adjust this situation. Sleep for eight hours every day and try to rest after ten o'clock every night. In this case, after three or four months, the nail condition will improve and the kidney function will be healthy.
Second, if you find that your palms often have edema, then there is a problem with kidney function!
According to the research of scientists, they found that if there is edema in the palm, it is likely that there is a problem with kidney function. This is because if there is a secretion problem in renal function, it will lead to problems in internal circulation. In this way, the palm will swell up. Generally speaking, the palm will swell for more than half a month, so it is likely to be a problem of renal function. I suggest you go to a big hospital as soon as possible.
Third, the palm feels dry, or the key dull pain indicates that there is a problem with kidney function.
Palm can show some symptoms of renal function. If your hands feel dry and this happens after absorption, or you often feel dull pain in your fingers, it is probably caused by kidney function. In this case, it is recommended to go to the hospital for examination as soon as possible!