One of the newly discovered diseases of the era is Alzheimer's disease, which affects a certain group of society, namely the elderly (the infirm), and affects the intellectual and cognitive abilities of the sufferer, which reduces the eligibility of the assignee to perform his devotional duties, due to the impact of the basis on which he relies, which raises many problems from the legal side, and raises the question: Does the Alzheimer's patient who has lost part of his mental health, have the same provisions as the assignee who enjoys full mental health? In terms of eligibility for performance, the validity of his prayers, the validity of his fasting, and other devotional costs, and where is this disease classified with other diseases such as insanity, dementia, and silliness in which the applicants have already spoken and separated, and other diseases that affect the mind? Which affects the validity of his performance to the fullest extent, like the taxpayer who is in full mental strength.

the elderly, the mind, Alzheimer's disease, prayer, fasting, jurisprudence