The knee is one of the most common body parts that gets injured. Common knee injuries include sprains, strains, tears, and overuse injuries. Knee injuries can be caused by aging or injury. If you have symptoms like pain when you bend or straighten the knee, swelling, popping or crunching noise, and weakness or instability, see a doctor. Treatment will depend on the type and severity of the injury. Simple strains and sprains can last for one to two weeks while major injuries may take months to heal. You can prevent knee injuries by staying at a healthy weight, wearing knee braces if suggested by your doctor, stretching your legs before and after physical activity, and eating a well-balanced diet.
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