Ironic effects of dietary supplementation: illusory invulnerability created by taking dietary supplements licenses health-risk b

#1 von Markus , 02.12.2015 10:17

Da gibt man zwei Gruppen von Leuten Pillen, der einen sagt man, es wären Multivitamine, der anderen, es sei ein Placebo.

Was machen die sich jetzt "bulletproof" fühlende Gruppe? Sie isst ungesünder und bewegt sich weniger, sie ist ja jetzt "safe"! Somit negiert sie prinzipiell die positiven Vorteile ihrer Supplementation. Dies kann teilweise die negativen epidemiologischen Daten von NEM-Verwendern erklären!



Zitat
Abstract
The use of dietary supplements and the health status of individuals have an asymmetrical relationship: the growing market for dietary supplements appears not to be associated with an improvement in public health. Building on the notion of licensing, or the tendency for positive choices to license subsequent self-indulgent choices, we argue that because dietary supplements are perceived as conferring health advantages, use of such supplements may create an illusory sense of invulnerability that disinhibits unhealthy behaviors. In two experiments, participants who took placebo pills that they believed were dietary supplements exhibited the licensing effect across multiple forms of health-related behavior: They expressed less desire to engage in exercise and more desire to engage in hedonic activities (Experiment 1), expressed greater preference for a buffet over an organic meal (Experiment 1), and walked less to benefit their health (Experiment 2) compared with participants who were told the pills were a placebo. A mediational analysis indicated that perceived invulnerability was an underlying mechanism for these effects. Thus, a license associated with the use of dietary supplements may operate within cycles of behaviors that alternately protect and endanger health.


http://www.ncbi.nlm.nih.gov/pubmed/21764996

Das wäre dann in Studien so eine Art inverser healty user bias. Und erklärt, wieso man Studien ohne randomisierte Placebogruppe nicht so viel Glauben schenken sollte.


„Brot? Das sind Weizen-, Roggen- und Gerstenbabys. Die werden der Mutter vom Leib geprügelt und dann zwischen zwei Mahlsteinen bei lebendigem Leibe zerquetscht.“


 
Markus
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