scholarly journals Corrigendum to: Determining the impact of vitamin C use with the common cold on loss of labour and medical treatment costs for Turkey

2021 ◽  
Author(s):  
Gülpembe Og˘uzhan ◽  
Selin Ökçün ◽  
Mustafa Kurnaz ◽  
Güvenç Koçkaya ◽  
Selçuk S¸en ◽  
...  
Keyword(s):  
Vitamin C ◽  
Medical Treatment ◽  
Common Cold ◽  
Treatment Costs ◽  
The Common ◽  
The Impact

scholarly journals Vitamin C and the common cold

1992 ◽  
Vol 67 (1) ◽  
pp. 3-16 ◽  
Author(s):  
Harri Hemilä
Keyword(s):  
Vitamin C ◽  
Clinical Significance ◽  
Common Cold ◽  
Antioxidant Property ◽  
Considerable Decrease ◽  
Infected People ◽  
Supplemental Vitamin ◽  
The Subject ◽  
The Common

The effect of vitamin C on the common cold has been the subject of several studies. These studies do not support a considerable decrease in the incidence of the common cold with supplemental vitamin C. However, vitamin C has consistently decreased the duration of cold episodes and the severity of symptoms. The benefits that have been observed in different studies show a large variation and, therefore, the clinical significance may not be clearly inferred from them. The biochemical explanation for the benefits may be based on the antioxidant property of vitamin C. In an infection, phagocytic leucocytes become activated and they produce oxidizing compounds which are released from the cell. By reacting with these oxidants, vitamin C may decrease the inflammatory effects caused by them. Scurvy, which is caused by a deficiency in vitamin C, is mostly attributed to the decreased synthesis of collagen. However, vitamin C also participates in several other reactions, such as the destruction of oxidizing substances. The common cold studies indicate that the amounts of vitamin C which safely protect from scurvy may still be too low to provide an efficient rate for other reactions, possibly antioxidant in nature, in infected people.

scholarly journals Bias against Vitamin C in Mainstream Medicine: Examples from Trials of Vitamin C for Infections

Life ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 62
Author(s):  
Harri Hemilä ◽  
Elizabeth Chalker
Keyword(s):  
Clinical Trials ◽  
Vitamin C ◽  
Common Cold ◽  
Evidence Based Medicine ◽  
Evidence Based ◽  
The Third ◽  
Nutritional Recommendations ◽  
Mainstream Medicine ◽  
The Common ◽  
Based Medicine

Evidence has shown unambiguously that, in certain contexts, vitamin C is effective against the common cold. However, in mainstream medicine, the views on vitamin C and infections have been determined by eminence-based medicine rather than evidence-based medicine. The rejection of the demonstrated benefits of vitamin C is largely explained by three papers published in 1975—two published in JAMA and one in the American Journal of Medicine—all of which have been standard citations in textbooks of medicine and nutrition and in nutritional recommendations. Two of the papers were authored by Thomas Chalmers, an influential expert in clinical trials, and the third was authored by Paul Meier, a famous medical statistician. In this paper, we summarize several flaws in the three papers. In addition, we describe problems with two recent randomized trial reports published in JAMA which were presented in a way that misled readers. We also discuss shortcomings in three recent JAMA editorials on vitamin C. While most of our examples are from JAMA, it is not the only journal with apparent bias against vitamin C, but it illustrates the general views in mainstream medicine. We also consider potential explanations for the widespread bias against vitamin C.

scholarly journals Examining the evidence for the use of vitamin C in the prophylaxis and treatment of the common cold

2009 ◽  
Vol 21 (5) ◽  
pp. 295-300 ◽  
Author(s):  
Kathryn A. Heimer ◽  
Ann Marie Hart ◽  
Linda Gore Martin ◽  
Sherrie Rubio-Wallace
Keyword(s):  
Vitamin C ◽  
Common Cold ◽  
The Common

Authors’ response to letter to the editor: “Meta-analysis on vitamin C and the common cold in children may be misleading”

2019 ◽  
Vol 75 (12) ◽  
pp. 1749-1750
Author(s):  
Philippe Vorilhon ◽  
Bastien Arpajou ◽  
Hélène Vaillant Roussel ◽  
Étienne Merlin ◽  
Bruno Pereira ◽  
...  
Keyword(s):  
Vitamin C ◽  
Common Cold ◽  
Meta Analysis ◽  
Letter To The Editor ◽  
The Common

Vitamin C and the Common Cold

BMJ ◽  
1951 ◽  
Vol 1 (4711) ◽  
pp. 887-887 ◽  
Author(s):  
J. M. Fletcher ◽  
I. C. Fletcher
Keyword(s):  
Vitamin C ◽  
Common Cold ◽  
The Common

Vitamin C and the common cold Using identical twins as controls

1981 ◽  
Vol 2 (8) ◽  
pp. 411-412 ◽  
Author(s):  
Alan B. Carr ◽  
Rosmarie Einstein ◽  
Lawrence Y. C. Lai ◽  
Nicholas G. Martin ◽  
Graham A. Starmer
Keyword(s):  
Vitamin C ◽  
Common Cold ◽  
Identical Twins ◽  
The Common
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