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More than three-quarters of people worldwide could be falling short of a vital nutrient linked to heart and brain health.

Scientists looked at global data and found 76 per cent of the population aren't hitting recommended daily amounts of Omega-3s, despite health authorities agreeing how important it is for our health.

Omega-3s are a family of fats that your body needs to work properly. One kind, called ALA, comes from your diet and is needed to make two other important omega-3s: EPA and DHA, which play key roles in keeping your heart, blood vessels, lungs, immune system and hormones functioning .

The study by the University of Southampton, in collaboration with scientists at the University of East Anglia and Holland & Barrett, found that most people worldwide are n

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