Results for: Antioxidant

MacularDegenerationFundus

Re-thinking Antioxidant Supplementation for Macular Degeneration

After the AREDS trial, people with moderate to severe age-related macular degeneration were advised to take dietary supplements to slow the progression of the disease. But some experts say the trial actually showed supplements don't work, and might even make some patients worse.

/ February 7, 2017

More Trouble for Antioxidants

Antioxidants are now an iconic example of premature hype making its way into marketing and the public consciousness long before the science is adequately understood. There are multiple lessons to be learned in this story, and a new study just emphasizes those lessons further. A brief history of antioxidants One of the unavoidable consequences of metabolism (burning food for energy) is the...

/ January 27, 2016
Exercise time

Antioxidants and Exercise: More Harm Than Good?

Multivitamin supplementation has been getting a rough ride in the literature, as evidence emerges that routine supplementation for most is, at best, unnecessary. Some individual vitamins are earning their own unattractive risk/benefit profiles: Products like folic acid, calcium, and beta-carotene all seem inadvisable for routine supplementation in the absence of deficiency or medical indication. Vitamin E, already on the watch list,  looks...

/ November 24, 2011

Antioxidant Supplements for Macular Degeneration

Age-related macular degeneration (AMD) is one of the major causes of visual impairment in the elderly: it affects central vision, impairing the ability to read and recognize faces while preserving some peripheral vision. It comes in two forms: wet and dry. Dry macular degeneration is by far more common, but wet macular degeneration, involving the proliferation of blood vessels, is more severe. ...

/ August 24, 2010

Protandim: Another Kind of Antioxidant

Four years ago I received an e-mail inquiry about Protandim. I had never heard of it; but I looked it up and wrote a quick, informal, somewhat snarky answer that got posted on the Internet. It got a lot of attention. Googling for Protandim now brings up my critique right after the Protandim website itself: that can’t be good for sales. Over...

/ August 25, 2009

Antioxidant Hype and Reality

A new study by lead author Shelly Gray and published in the latest issue of the Journal for the American Geriatric Society, found no effect from taking Vitamin C or E, either alone or in combination, on the risk of dementia or Alzheimer’s disease after 5.5 years. Vitamins C and E were chosen because they both have significant antioxidant activity, and so...

/ February 6, 2008
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Stem Cells for Macular Degeneration: Meticulous Science vs. Unethical Carelessness

Rigorous scientists stabilized a patient’s macular degeneration with a cutting-edge stem cell treatment; less rigorous scientists misapplied stem cell science and left three women blind.

/ March 28, 2017
How likely is bacon to kill you?

Dietary Associations with Cardiovascular and Diabetic Mortality: “Bacon, soda, and too few nuts”?

A recent study attempted to quantify the association of ten dietary factors with deaths from cardiovascular disease and diabetes. Headlines about the study were misleading.

/ March 21, 2017
Olde tyme brain diagram

Daniel and Tana Amen’s Book The Brain Warrior’s Way: Standard Health Advice Mixed with Misinformation and Fanciful Ideas

Daniel Amen, the media-savvy psychiatrist and promoter of SPECT scans, has teamed-up with his wife Tana to write a self-help book that hopelessly muddles good medical advice with misinformation and speculation.

/ February 21, 2017
People should be getting nutrients from food, not supplements.

Dietetics: Embracing Integrative and Functional Medicine?

The Accreditation Council for Education in Dietetics is planning on changing the accreditation standards for requirements Registered Dietitians to include integrative and functional nutrition as core components. This should worry science-based practitioners, and the general public.

/ January 10, 2017