I believe that people with down syndrome are more likely than the general population to develop Alzheimer's disease in late life.
I would think it would depend on the situation. Basic first aid may be all that is required for certain wounds or accidents. In other circumstances it should be administered until a trained professional can take over.
Hallucinations, visions of the past that are somehow related to the trigger, fear. Flashbacks are a symptom of PTSD.
Leafy greens, cheese, low-fat milk and yogurt, bok choy, fortified tofu, okra, broccoli, green beans, almonds, and fish canned with their bones. The daily value (DV) for calcium is 1000mg.