Thank you for the opportunity to help you with your question!
Age is the
most significant known risk factor for dementia. It is possible to develop
dementia early in life but the chances of developing it increase as we get
older. It is rare to get dementia before the late age. The most mentioned reasons are: higher blood pressure in mid-life an increased
incidence of some diseases (for example, heart disease and stroke changes
to nerve cells, DNA and cell structure, weakening of the body's natural
repair systems changes in the immune system. Besides that the reasons for this are unclear. One factor
that has been suggested in the development of Alzheimer's disease is a
lack of the hormone estrogen in women after the menopause.
Please let me know if you need any clarification. I'm always happy to answer your questions.