Omega 3s, Prostate Cancer, and Atrial Fibrillation


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  • Hmm I wonder why Japanese have such a high life expectancy then?? A lot of the earlier pro fish oil studies were based on populations that have a lot of fish in their diet??

  • Michael Gregor completely took that study linking prostate cancer and fish oil out of context. He has alot of good information though at times his personal bias toward veganism is reflected in his videos. Gregor if your reading this, contact me so I can help shed some light on why the researchers in that study you looked at were entirely incorrect in publishing it. Dr. A

  • So the take-home message is that omega-3's in and of themselves are putting you at risk for cancer or not?
    This video can cause some serious confusion for people who are dealing with cancer right now!!!

  • Now I'm confused, Dr Greger it's not clear if you are saying that all long chain Omega 3 DHA EPA supplements are a bad idea?
    so should we stop taking the Algae derived DHA EPA supplement?

  • I like the video, but this seems to implicate that dr. Greger is against the omega 3 fats altogether. As much as I like dr. Greger, I will say he tends to cherry-pick some of his studies. And this is not uncommon, its inherent human bias. Because the majority of research in omega 3 fats has been favorable. Many other studies have recommended vegans consume more omega-3 fats but from plant-based sources such as flaxseed, walnuts, chia seeds ext. But also algae omega-3 fats. I understand dr. Gregers position on algae and the potential neurotoxins, but I also believe these neurotoxins are a product of contamination and poor quality control and sourcing. More research needs to be done, but there have been many studies to refute the neurotoxin aspect in regards to spirulina and other algaes. In fact many studies have found benefits and others have done safety evaluations and found no sort of toxins. Which lends some evidence to the fact that it could be contaminated by what's in the water. But I understand dr. Greger taking a conservative stance on this. However, he has not mentioned any neurotoxins being in chlorella, just that it's more expensive then most greens we can get a grocery stores. I will look at all of his other videos on omega-3 fats, but I must say that this is potentially dangerous advice regarding avoidance. The conversion of LA from flaxseed and other sources is very inefficient even with the addition of turmeric. That said, it may be advisable to take a low-level supplement occasionally of algae omega-3 fats, the research certainly has supported it. But more importantly, low levels of these two omega-3 fats, DHA and EPA have been linked with health problems particular cognitive decline and other issues. So yes there needs to be more research, but this needs to speed up a little because this is definitely an important nutritional matter.

  • low quality video! you missed the part in the prostate cancer paper where omega 3s were from the diet not supplementation! this is key because purity can be found in fish oil supplements

  • Look around!
    Under the name of religion, what human have been doing against each other. Acceptance, rather than rigidity is the key to peace but our ego and arrogance hinder to grow.

  • here goes dr greger grasping at straws again to spin the vegan narrative this time that fish aren't unhealthy despite mountains of evidence suggesting otherwise that he conveniently omits.

  • i think the trick is always to take of little of everything and not to much of 1 thing.Evertday I consume 1 tbsp of ground flax, 1 tbsp chia seeds, 1 fish oils capsule (they recommend 3 on tub i have) and when i'm a millionaire i start consuming 1 algae based dha/epa oil a day. mix it up. little of each #variety

  • On a video you made I saw one of the sources you linked talking about prostate cancer and there is a line saying that men who ate salmon had no assoication with prostate cancer.

  • "I know of no reason why you shouldn’t resume taking your fish oil supplements. The study in question, from the Fred Hutchinson Cancer Research Center in Seattle, Wash., made headlines and snagged lots of sound bites, but much of the news coverage – including that in medical publications – did not accurately reflect the findings. Aside from the sensationalist way it was reported, the study itself has serious shortcomings." __

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