Science & Technology, Singapore (Commonwealth Union) – Alzheimer’s disease is a progressive and degenerative brain disorder that affects memory, thinking, and behavior. tdm-descr{ color: #666666; font-family: var(--downtown-serif-font) !important;font-size:15px !important;line-height:1. 2 !important;font-weight:600 !important;text-transform:none !important; }}/* portrait */@media (min-width: 768px) and (max-width: 1018px){