Top 10 Nutrition Facts That Everyone Agrees on, Based on Science

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2. Omega-3 Fats Are Crucial and Most People Don’t Get Enough

Omega-3 fatty acids are extremely important for the proper functioning of the human body.

For example, docosahexaenoic acid (DHA), an omega-3 fatty acid derived from animals, makes up about 10–20% of the total fat content in the brain.

A low intake of omega-3 is associated with a lower IQ, depression, various mental disorders, heart disease and many other serious diseases.

There are three main types of omega-3 fats: alpha-linolenic acid (ALA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).

ALA comes mostly from plant oils, while the best sources of EPA and DHA are fatty fish, fish oils and certain algal oils. Other good sources of EPA and DHA are grass-fed meat and omega-3 enriched or pastured eggs.

The plant form, ALA, needs to be transformed into DHA or EPA to function correctly in the human body. However, this conversion process is inefficient in humans.

Therefore, it is best to eat plenty of foods high in DHA and EPA.

Summary: A large part of the population is not getting enough omega-3 fats from their diet. Avoiding a deficiency in these essential fatty acids may help prevent many diseases.

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