Could early alzheimer caused by a hypoglycemic situation be stopped at a stage or it will continue (at eldery)?

Hopefuly not: B"sd presume you mean hypoglycemia as a complication of rx for diabetes. At worse severe and or prolonged hypoglycemia leads to poor cognitive, possibly irreversible outcomes. Outcomes will be worse with coexisting Alzheimer or vascular disease. At a young age however brain is very "plastic" and unlikely to see residual later on. It is imperative to manage diabetes to limit exposure to hypoglyc