Doctor's Note

Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out theother “HHH” videos (Harmful, Harmless, or Helpful?). Also, there are over a thousand subjects covered in the rest of my videos–please feel free to explore them as well!

For some context, please check out my associated blog posts: Multivitamins and MortalityAcai to Zucchini: antioxidant food rankingsPreserving Vision Through Diet, and Soymilk: shake it up!

  • Michael Greger M.D.

    Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out the other “HHH” videos (Harmful, Harmless, or Helpful?). Also, there are over a thousand subjects covered in the rest of my videos–please feel free to explore them as well!

  • derbym

    I have an allegery (RAST testconfirmed) to Brazil nuts, hazelnuts, coconut and almonds and have been advised to avoid all tree nuts for a while (not seeds).

    I eat mostly raw and used to eat a brazil nut everyday for selenium. Sunflower seeds seem to be the next best think that could be on my diet. I would have to eat 8 cups a day though to get 200mcg!

    Is a selenium deficiency worse than taking supplements? I don’t want to supplement if I can help it. This whole tree nut allergy thing has introduced some serious problems to eating raw for me. Vitamin E is a little tricky but at least attainable.

  • Michael Greger M.D.

    For some context, please check out my associated blog post Multivitamins and Mortality!

  • JTK

    Doctor Greger, I do take Lutein as a supplement (recommended by my optometrist). I read the document from 2nd Pub Med citation from your video “Lutein, Lycopene, and Selenium Pills”. I’m concerned because I’m taking 6 mg of lutein and the study was looking at people who took 1.5 mcg as a mean daily dose.

    “Because lutein supplement use was relatively infrequent in our study
    population, we decided to classify lutein supplement use as nonusers,
    (lutein-containing) multivitamin users, and individual supplement users
    rather than presenting information on average dose and years of use.
    Although there were only 2 lung cancer cases in the individual lutein
    supplement use category, the respective mean and median daily doses
    among users were 1.5 mcg (standard deviation, 0.7) and 1.0 mcg, and only 0.22% of participants had used the individual supplement for 6 years or longer, the results are strongly suggestive of elevated risk associated
    with lutein use. Given that lutein supplements have been used only in
    the past 15 years and only recently at high doses, this potential risk
    factor for lung cancer may be more important than suggested by the
    present study.”

    I tried reading the tables, but got lost in the numbers. Can you reinterpret what this above paragraph is stating in terms of the numbers and percentages?

    Thanks