The bearded dragon requires a certain amount of care to maintain a healthy and happy life. They generally do not suffer from many diseases may be able to catch parasites from worms as well as develop disorders if they do not receive an adequate amount of calcium and vitamin D3.
Good bearded dragon health depends largely on adequate calcium levels. Dragons must have calcium and full-spectrum UVB lights in order to maintain proper bone growth. If these are not available to the bearded dragon, they will suffer from metabolic bone disease. This may cause your bearded dragon lizard to become deformed as well as cause fatal injuries.