The American black bear is a generalist, opportunist omnivore. Depending on location and season, they consume herbaceous vegetation, roots, buds, numerous kinds of fleshy fruits, nuts, insects in life stages from egg to adult, and vertebrates from fish to mammals, including their own kills as well as carrion.
Other causes of dry mouth. Other factors that can cause dry mouth include: Nerve damage around the head or neck. Dehydration. A side effect of medical treatment such as chemotherapy treatments or other treatments that have lead to damage to the salivary glands causing a decrease in the production of saliva.
Snoring and breathing with your mouth open also can contribute to dry mouth. Tobacco and alcohol use. Drinking alcohol and smoking or chewing tobacco can increase dry mouth symptoms. Recreational drug use. Methamphetamine use can cause severe dry mouth and damage to teeth, a condition also known as meth mouth. Marijuana also can cause dry mouth. Complications. If you don't have enough saliva and develop dry mouth, this can lead to: