After 40 years old, you have noticed some changes in yourself, perhaps these changes are relatively small: you played a game at the weekend, and you still feel sore muscles on Tuesday. Perhaps these changes are more obvious: the teeth are thinner, the stomach is bigger, the eyes are narrower and I can't hear clearly. After a while, I was panting and didn't have enough sex. However, this does not mean that you will definitely get old. The key depends on how you treat your body, arm your teeth, cultivate your emotions and overhaul your sex life ... You will find that you can be younger after Rhapsody in July. You are only 40 years old, but after writing a paper or moving a few boxes, you feel unbearable back pain. At this time, the doctor will tell you that the first onset age of back pain in most men is 30~45 years old, which is the beginning of inflammation and natural degeneration of back joints, and muscle injury is also the most common cause of back pain. Fortunately, back pain can usually be relieved without drugs or surgery. The key is to use some methods to prevent back pain.

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