Dementia is a syndrome, not a disease. Dementia is a group of symptoms that affects mental cognitive tasks such as memory and reasoning. Dementia is an umbrella term that Alzheimer's disease can fall under. It can occur due to a variety of conditions, the most common of which is Alzheimer's disease
https://player.whooshkaa.com/shows/dementiaq
episode 15: Free Radicals
Free radicals reactive oxygen species and reactive nitrogen species are generated by our body by various endogenous systems, exposure to different physio chemical conditions or pathological states.