Скачать или смотреть Is eating fish, or taking fish oil good for you?

Why do women have big butts?
Because it's an energy efficient way to carry omega 3 fatty acids for a future baby. Because the narrow waist, hour glass shape of a women is a peacock display of fertility.
To our ancestors, a big belly meant that she was pregnant. Wider hips enable a human woman to deliver a baby with a big brain.
Omega 3 fats are common in the brain, and retina, and this is thought to fluidize plasma cell membranes in a way that is helpful for neuronal conduction.
Linoleic acid, C18:2 is the precursor for omega 6 fatty acids.
Linolenic acid C18:3 is the precursor for omega 3 fatty acids.
Plant foods provide us with C18:2 & C18:3. Do we really need to eat fish, or take fish oil?
Did early humans routinely eat fish?
Can we get adequate amounts of C18:2 w-6, and C18:3 w-3 from eating plant foods?
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