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.
Causes of Dry Mouth. 1  Alcoholism Alcoholism is a disease that includes alcohol craving and continued drinking despite repeated alcohol-related problems, such as...learn more Â». In This Article. 2  Alzheimer's Disease Alzheimer's disease is a common cause of dementia. Symptoms and warning signs of Alzheimer's disease include memory loss,...learn more Â».