Aluminum is soluble in both acid and alkali, it is a trace element required for the human body to maintain the normal operation. According to tests, braised meat is stored in an aluminum pan overnight, and the content of aluminum in the meat can be as high as 120 mg per kilogram. Up to 250 mg. Aluminum is difficult to excrete from the body, and it is easy to cause premature aging and dementia. From this, we can conclude? ['The content of aluminum in the human body is easily exceeded.', 'Braised pork cannot be eaten at night.', 'Dementia is caused by excessive intake of aluminum.', 'Aluminum is an essential element of the human body.']