Different types of psychology


3 Steps to Identify Supplements that Lack Scientific Evidence

You read about a supplement that allegedlyscience research does not provide scientific
"Boosts your mood and motivation!" That sureevidence for a supplement's beneficial health
sounds good so your surf over to theeffects on human beings. Only research with
company's web site.The web site lookshuman subjects, using randomized controlled
official--it's even got footnotes citingtrials, can offer such evidence.On the
scientific journals. You're ready to purchasePubMed.org search page, click on the "Limits"
the supplement online until you ask yourself,tab located under the "Search" box. You will
"What if this supplement doesn't reallysee a number of drop-down menus. First click
possess any scientific evidence for itson the Publication Type menu and then select
efficacy? How can I tell the differenceRandomized Controlled Trial. Next click on
between supplements with solid evidence forthe drop-down menu labeled, Humans or Animals
their reported benefits versus those lackingand click on Humans.An ExampleMorinda
any scientific support?"Here are the 3 Stepscitrifolia is the scientific name for a
to answer those questions:Step 1: Go to is apopular ingredient in a nutritional
National Library of Medicine (United States)supplement. First search on PubMed for
web site where you can search for articlesMorinda citrifolia, without placing Limits on
published in peer-reviewed scientificyour search.How many results did you
journals.Why check PubMed? Because thereceive?The count was 69 at the time I wrote
National Library of Medicine carefullythis article. Looks impressive, huh?But now
selects only high-quality journals that offersearch for Morinda citrifolia after first
value to medical scientists around the world.placing Limits on the search as described
Selection criteria are detailed on this webabove, so that you receive only those studies
page: 2: Once on the PubMed web site, searchwhich provide more definitive scientific
for research articles using the genericevidence for the positive effects of Morinda
(scientific) name of the supplement incitrifolia.How many journal articles did you
question. Supplement manufacturers must listfind searching with the specified limits? I
the scientific name for their supplement'sfound 1. Thus, out of 69 articles found on
ingredients on the label and inPubMed.org, only one provides some evidence
advertisements. Supplements often containforMorinda citrifolia's beneficial
many ingredients but usually only a feweffects.It's great that this study exists
provide the purported benefits. Those are thebecause it could end up being one of several
ingredients you want to evaluate--they arestudies demonstrating that Morinda citrifolia
often the same ones the manufacturerprovides health benefits. However, at the
highlights in advertisements.Step 3: This ispresent time, the most one could say about
the step some supplement companies don't wantMorinda citrifolia is something like, "One
you to know. Before you click on the "Search"study has provided very preliminary evidence
button at PubMed.org, limit your search toof Morinda citrifolia's health benefits with
studies that utilize the right researcha narrowly defined patient group. Further
methodology with the right population.Thecontrolled trials are needed to determine if
right research methodology is a randomizedthis result will be replicated by other
controlled trial (the double-blind, placeboresearch groups working with different
control group design fits under thispopulations."ConclusionBy using the "Limits"
category) and the right population is humanfunction on the PubMed.org search menu,
beings.Specifying human subjects is importantconsumers can identify supplements that lack
because you want to know if the ingredientsscientific evidence for their efficacy.Mark
in a supplement have been shown to produceWorthen, Psy.D. is a Phi Betta Kappa graduate
the advertised benefits in real live humanof the University of Maryland's Honors
beings--not just in rats pressing levers forPsychology program. He was a Clinical Fellow,
food pellets or in a "case study" with oneDepartment of Psychiatry, Harvard Medical
person.This is not to say that basic scienceSchool and earned his Doctor of Psychology
research, which is often conducted initiallydegree from Baylor University in 1990. In
with animals, is unimportant. On theaddition to his work as a psychologist, he is
contrary, such research usually serves as aan independent representative for a leading
crucial building block for subsequenthealth and wellness company and owner of
clinical research with humans. But basicBest-Mlm-Opportunities.



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