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Re: Fish for Brain Health - it's the protein, not the omega-3's

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I should point out that at least one study of fish consumption and Alzheimer's Disease risk indicate that only one serving of fish per week is needed to reduce risk; more is not necessarily better.

 

Study links eating fish with healthier brains, regardless of mercury

https://www.cnn.com/2016/02/02/health/fish-alzheimers-brain-mercury/index.html

'The current study found the benefit of eating seafood for brain health maxes out at one serving per week. More than that did not bestow participants with any additional protection from the types of brain damage associated with dementia.

This suggests that you might not have to meet the 8 ounces of seafood, about two servings, a week that the U.S. Dietary Guidelines recommends to reap the brain health benefits. "Three ounces could give you that protection," Morris said.'
 
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Fish for Brain Health - it's the protein, not the omega-3's

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Fish consumption is associated with reduced rates of Alzheimer's. The beneficial effects of fish consumption are most often  attributed to the omega 3 fatty acid content, however studies of omega-3 supplementation have failed to show any benefit.

 

A new study points to the role of a specific protein found in fish, β-parvalbumin, as being the beneficial constituent. The protein blocks the formation of amyloid caused by α-synuclein, which is also known to play a role in Parkinson's disease as well as Lewy Body Dementia and Multiple System Atrophy.

Abundant fish protein inhibits α-synuclein amyloid formation

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5882657/

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