Lacking one nutrient worse for you than smoking and 8p pill could help walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.
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Lack of omega-3 in the diet can short life even more than smoking, research says
Scientists found low levels of the fatty acid could reduce expectancy by 5 years
The oil found in oily fish is known to be good for heart and reduces blood clots
A good level is 8% or higher, while intermediate is between 4% and 8%