Ageing, Alzheimer's, MS and Parkinson's - Dementia & Alzheimers

Question 1

What is dementia?

Answer 1

Dementia is a syndrome of cognitive impairment affecting memory, behavior, and the ability to perform daily activities.

Question 2

What percentage of dementia cases are Alzheimer’s disease?

Answer 2

Alzheimer’s accounts for 60–80% of all dementia cases.

Question 3

List some key dementia risk factors.

Answer 3

Stress, PPIs, poor diet, nutrient deficiencies, smoking, hypertension, diabetes, mental inactivity, toxins, and social isolation.

Question 4

What are the four main types of dementia?

Answer 4

Frontotemporal, vascular, Lewy body, and Alzheimer’s disease.

Question 5

What is the role of amyloid beta and tau proteins in Alzheimer’s?

Answer 5

They are misfolded proteins associated with Alzheimer’s pathology, though considered symptoms, not the cause.

Question 6

What is Brain HQ and who recommends it?

Answer 6

An online brain training app recommended by Dr Dale Bredesen to improve cognitive function.

Question 7

What imaging methods help diagnose dementia?

Answer 7

CT, MRI, and PET scans help exclude other conditions and assess brain atrophy.

Question 8

What are Dr Bredesen’s three categories of Alzheimer’s?

Answer 8

Hot (inflammatory), cold (atrophic), and toxic (cortical due to environmental exposure).

Question 9

What is the role of microglia in Alzheimer’s?

Answer 9

They can be pro-inflammatory (M1) or anti-inflammatory (M2), with M1 promoting neurodegeneration.

Question 10

How does social connection affect Alzheimer’s risk?

Answer 10

It promotes oxytocin and vagus nerve activity, reducing brain inflammation.