Comment fonctionne la maladie d'Alzheimer ?

Comment fonctionne la maladie d'Alzheimer ?

La maladie d'Alzheimer résulte d'une lente dégénérescence des neurones, débutant au niveau de l'hippocampe (une structure cérébrale essentielle pour la mémoire) puis s'étendant au reste du cerveau.

Quelle est la cause de la maladie d'Alzheimer ?

Au-delà d'une éventuelle prédisposition familiale, les études scientifiques ont mis en évidence le rôle de certains facteurs de risque dans l'apparition de la maladie d'Alzheimer : l'âge est bien sûr le principal facteur de risque, mais l'hypertension artérielle, l'excès de cholestérol, le diabète de type 2 ou le ...

What is Alzheimer's disease?

• What Is Alzheimer's Disease? Alzheimer’s disease is an irreversible, progressive brain disorder that slowly destroys memory and thinking skills and, eventually, the ability to carry out the simplest tasks. In most people with the disease—those with the late-onset type —symptoms first appear in their mid-60s.

Does Alzheimer's disease get worse over time?

• Alzheimer's worsens over time. Alzheimer's is a progressive disease, where dementia symptoms gradually worsen over a number of years. In its early stages, memory loss is mild, but with late-stage Alzheimer's, individuals lose the ability to carry on a conversation and respond to their environment.

What increases my risk for Alzheimer's disease?

• Age is the best known risk factor for Alzheimer’s disease. Family history—researchers believe that genetics may play a role in developing Alzheimer’s disease. Changes in the brain can begin years before the first symptoms appear.

What is early-onset Alzheimer's disease?

• Early-onset Alzheimer’s occurs between a person’s 30s and mid-60s and is very rare. Alzheimer’s disease is the most common cause of dementia among older adults. The disease is named after Dr. Alois Alzheimer.