The cause of this disease is still unknown. However, there are still several factors known to be link to a higher risk of developing the disease, like: age, family history, head injuries, some diseases and conditions, etc.
Could be normal age-related changes, or the earliest signs of Alzheimer's.
Stage 3: Early Confusional (Mild Cognitive Decline)
Early-stage Alzheimer's is sometimes diagnosed at this stage.
The patient has slight difficulties which have some impact on certain everyday functions.
Most of the time, the patients try to conceal the problems. Problems include word recall, organization, planning, mislaying things, reading a passage and retaining information from it, ability to learn new things, and organization.
Some research shows that it may have to do with chemicals in the brain that carry messages from one nerve cell to another. One of these chemicals, called serotonin (say "sair-a-tone-in"), helps to keep people from repeating the same behaviors over and over again.
ADHD stands for attention-deficit/hyperactivity disorder.
Children with ADHD generally have problems paying attention or concentrating. They can't seem to follow directions and are easily bored or frustrated with tasks. They also tend to move constantly and are impulsive, not stopping to think before they act.