For example, it helps to keep the mind clear and the heart beating at a normal pace. Acetylcholine keeps the stomach and bowels working at a normal pace and keeps mucus membranes and saliva glands working. A balance of these two substances keeps normal bodily functions working well and allows the body to respond quickly in a crisis. People who visit the bathroom at night should sit on the side of the bed for a half a minute before trying to stand up. This can help prevent a fall.
Dry mouth can make swallowing food difficult.
It can contribute to tooth decay and gum disease. Careful brushing and flossing can protect the teeth and gums. Dry eyes can be itchy. Drinking more fluids should help. Check with your doctor.