A novel study published inward Prostaglandins, Leukotrienes, together with Essential Fatty Acids shows that people probable require to consume to a greater extent than fish together with accept an omega-3 supplement to hand a cardioprotective Omega-3 Index flat of 8% or higher. According to atomic number 82 researcher Kristina Harris Jackson, PhD, RD, the destination of this study was to response the question: "What combination of (non-fried) fish intake together with omega-3 supplement work is associated with a cardioprotective Omega-3 Index flat (i.e., 8% or above)?"
In 2018, the American Heart Association (AHA) updated its 2002 recommendations regarding fish together with seafood consumption from "...a diversity of (preferably oily) fish at to the lowest degree twice a week" to "...1 to 2 seafood meals per week."
"This apparent downgrade inward the recommendation (i.e., removal of 'preferably oily' together with 'at least') was made despite prove that consuming fish to a greater extent than ofttimes (such every bit daily or multiple times per day) may impart fifty-fifty greater cardioprotection," Dr. Jackson together with colleagues pointed out inward their latest paper.
"Further, an online commentary yesteryear Louis Kuller, MD (University of Pittsburgh) that accompanied the publication of the novel AHA guidelines argued that fish intake recommendations should non hold upward one-size-fits-all, but instead hold upward based on the amount needed to accomplish cardioprotective blood omega-3 levels," Dr. Jackson together with colleagues explained.
For this novel study, Dr. Jackson together with her squad evaluated blood levels of omega-3s EPA together with DHA from almost 3500 people, with questions close their fish together with supplement intake.
Individuals reporting no fish intake together with taking no omega-3 supplements had an average Omega-3 Index of close 4.1%, which reflects the average for most Americans together with is considered "deficient."
At the other extreme, the average Omega-3 Index of people who reported taking a supplement AND eating iii fish meals a calendar week was 8.1%, which is the flat defined inward the enquiry every bit beingness "cardioprotective."
Thus, inward a costless living setting, Dr. Jackson together with her colleagues believe an 8% Omega-3 Index is most probable to hold upward establish inward people eating at to the lowest degree iii "non-fried'" fish meals per calendar week together with taking an omega-3 EPA/DHA supplement.
In 2018, information from a pooling projection of 10 cohort studies confirmed that individuals with an Omega-3 Index of 8% or higher were 35% less probable to overstep away from cardiovascular affliction compared with those having an Omega-3 Index below 4%. Additional enquiry has shown that higher omega-3 blood levels are beneficially related to cognitive work together with fifty-fifty overall longevity.
"The AHA currently recommends i to ii fish meals per calendar week together with it does non recommend supplementation for the full general population. In low-cal of our findings, this regimen is unlikely to arrive at a cardioprotective Omega-3 Index of 8%," Dr. Jackson explained. "Having dietary recommendations that aim to accomplish a target blood flat would probable hold upward to a greater extent than effective at reducing the risk for core disease."