Higher Serum DHA Linked to Less Amyloid, Better Memory - Medscape, 8/17/16 -
"DHA is "the most abundant polyunsaturated fatty acid in the brain, playing an important structural role in synapses while also modulating a number of signaling pathways ... serum DHA levels (percentage of total fatty acids) were 23% lower in those with cerebral amyloidosis relative to those without ... there was a significant association between serum DHA levels and nonverbal memory" - See DHA products at Amazon.com.
Jarrow Formulas Max DHA , Supports Brain and Eye Health, 180 Softgels