In an analysis of nearly 1,200 people in the early stages of the disease, donanemab slowed the progression of symptoms by 35% over a period of 18 months compared to placebo.

He says Abdullah Ahmad Badawi's condition has deteriorated to the point where he has difficulty speaking and cannot remember the names of his family members.

Thalia's father has been living with dementia for 15 years now, and things appear to have taken a turn for the worse.

Patients admitted to hospital had an even higher risk or mental disorders.