Intermittent Fasting and Brain Health: What the Science Says
The short answer is that intermittent fasting appears to protect the brain in measurable ways, but mostly in people who already have risk factors for...
Ketogenic Diet for Alzheimer’s: Promising or Premature?
The short answer is both: the ketogenic diet for Alzheimer's disease is genuinely promising, but recommending it broadly remains premature.
Alcohol and Dementia: Is Moderate Drinking Protective or Harmful?
The answer, according to the most rigorous evidence available, is neither. Moderate drinking does not protect against dementia, and the belief that it...
Coffee and Dementia Prevention: How Many Cups Per Day?
Two to three cups of caffeinated coffee per day is the amount most strongly linked to a lower risk of dementia, according to a major study published in...
Can Coconut Oil Reverse Alzheimer’s Symptoms? A Fact Check
No, coconut oil cannot reverse Alzheimer's symptoms. Despite widespread claims that have circulated online since 2008, no major medical or Alzheimer's...
B12 Deficiency Mimicking Dementia: How to Tell the Difference
B12 deficiency can produce cognitive symptoms so closely resembling Alzheimer's disease and other dementias that even experienced clinicians sometimes get...
Vitamin D Deficiency and Dementia: The Strongest Evidence Yet
The evidence linking low vitamin D to dementia risk has moved well beyond correlation. A landmark 2022 study of nearly 295,000 people, using genetic...
Fermented Foods and Brain Health: The Gut-Brain Connection
Fermented foods appear to benefit brain health primarily by reshaping the gut microbiome, reducing chronic inflammation, and strengthening communication...
Red Meat Consumption and Alzheimer’s Risk: What Studies Show
Yes, eating processed red meat appears to meaningfully increase the risk of dementia. A landmark Harvard study published in January 2025 in the journal...
Artificial Sweeteners and Dementia: Should You Be Worried?
The short answer is yes, you should pay attention, but no, you do not need to panic. A large 2025 study published in the journal Neurology found that...