Dementia is not one disease, but a term that covers a wide range of medical conditions that affect the brain. Alzheimer’s disease is the most common type of dementia. The term dementia describes a decline in thinking skills and it happens due to brain cell damage.
Alzheimer's and dementia symptoms include problems with:
Short-term Memory
Paying Bills
Losing Items
Meal Preparation
Getting Lost in Familar Places
Studies indicate that long-term heavy alcohol and drug use have a negative impact on cognitive (brain) function. Decreasing substance use may decrease the burden of cognitive impairment.