Nutrition retracts 2001 paper

Study by Chandra had been questioned since 2003

| 2 min read

Register for free to listen to this article
Listen with Speechify
0:00
2:00
Share

Nutrition this month retracted a 2001 paper by immunologist Ranjit Chandra that claimed a specific combination of vitamins and minerals significantly improved seniors' ability to think and reason.

Editor Michael Meguid wrote that the journal was "forced to act" after a series of "serious questions" were raised. The retraction outlines eight specific reasons for the decision, "all of which [Chandra] either ignored or dealt with inadequately in his responses to his critics," according to Meguid, over whose signature the withdrawal appears.

The retraction cited significant statistical errors in Chandra's Nutrition study. It also cited errors in his 1992 study in The Lancet, which the 2001 study followed. Among other concerns were that while Chandra claimed that the participating subjects were normal, "the average MMSE score reported placed them below normal, in the demented category" and that while assignment of subjects to the placebo and supplement groups was said to be ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Meet the Author

  • Doug Payne

    This person does not yet have a bio.
Share
Image of small blue creatures called Nergals. Some have hearts above their heads, which signify friendship. There is one Nergal who is sneezing and losing health, which is denoted by minus one signs floating around it.
June 2025, Issue 1

Nergal Networks: Where Friendship Meets Infection

A citizen science game explores how social choices and networks can influence how an illness moves through a population.

View this Issue
Unraveling Complex Biology with Advanced Multiomics Technology

Unraveling Complex Biology with Five-Dimensional Multiomics

Element Bioscience Logo
Resurrecting Plant Defense Mechanisms to Avoid Crop Pathogens

Resurrecting Plant Defense Mechanisms to Avoid Crop Pathogens

Twist Bio 
The Scientist Placeholder Image

Seeing and Sorting with Confidence

BD
The Scientist Placeholder Image

Streamlining Microbial Quality Control Testing

MicroQuant™ by ATCC logo

Products

The Scientist Placeholder Image

Agilent Unveils the Next Generation in LC-Mass Detection: The InfinityLab Pro iQ Series

parse-biosciences-logo

Pioneering Cancer Plasticity Atlas will help Predict Response to Cancer Therapies

waters-logo

How Alderley Analytical are Delivering eXtreme Robustness in Bioanalysis