Key points from article :
Taking omega-3 supplements offers "little to no" benefit against cancer.
WHO says that omega-3 supplements are failing to offer consumers the benefits they advertise.
Do not protect against conditions such as anxiety, depression, stroke, diabetes or death.
But omega-3 derived from eating fish is good for the heart, as well as general health.
NHS recommends to eat two portions of fish per week, one should be oily fish, such as salmon.
More than 100,000 participated in this randomized controlled trial.
Research by University of Anglia (UEA).
