Why is the incidence of early-onset alzheimers disease increasing?

Less blood pressure control is one thing we can improve and decrease risk of dementia

Those who develop Alzheimer's at a younger age typically have genetic proclivities, with most frequent alleles involving Presenilin I and II, or Amyloid precursor protein. Chronic Traumatic Encephalopathy often appears to have similar symptoms to Alzheimer's. There are also influences of diabetes, hypertension, and hyperlipidemia.