According to Dr. Edward Francis, exist several types of dementias and are classified by the cause of its generation, but all have in common the destruction of brain cells.
The causes are multiple: the accumulation of amyloid in Alzheimer’s dementia, cardiovascular disease (hypertension) in vascular dementia, neurological disease (Parkinson’s disease), infectious diseases (HIV / AIDS), dementia due to toxic substances (eg alcohol), trauma (cranio-cerebral) and so on.
Currently, there are not known the factors of the illness. Currently 2 hypotheses are discussed, as predominantly a disease of genetic nature, or influenced by environmental factors
Alzheimer’s disease has 2 main categories of risk factors: genetic and environmental. Continue reading








