Many people think that this is classic swelling. Thus, many parents ignore this symptom, thinking their child just falls too much. Instead, the truth is much grimmer. Rickets can manifest itself through thickened areas on the limbs. This isn't due to swelling, but to a messed up cellular structure in your bones.
To combat this, your child may need to spend more time in the sun, plus take up swimming. Due to water resistance, swimming is an excellent form of physical therapy. It may even accelerate growth.

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