But
then contradictory studies began flooding in, and scientists now believe that exposing the gastrointestinal system to an allergen early in life is unlikely to cause an allergy.
However, the authors acknowledge there is disagreement over the prevalence of internet addiction,
citing contradictory studies which suggest it affects anywhere between 1.4 per cent and 18 per cent of adolescents.
Occasionally, there are some issues where the science is uncertain and
really contradictory studies are published, but that is just part of the process.
«I've seen so
many contradictory studies with coffee that I've come to ignore them all,» says Donald Berry, chair of the department of biostatistics at the University of Texas MD Anderson Cancer Center in Houston.
In fact, it's in the very nature of science to constantly question, deliberate and reexamine the evidence available, and consequently there are almost always differing opinions and
seemingly contradictory studies.
I did a ton of research and honestly, every study had
a contradictory study.
The team ranked the strength of the evidence of a given policy's effectiveness as limited (at least one study showed an effect, which wasn't contradicted by other studies), moderate (two or more studies showed the same effect,
no contradictory studies) or supported (three or more studies with at least two independent datasets found an effect with no contradictory studies).
There's
some contradictory studies where nettle root decreased inflammation very little, but overall, it looks like nettles are mildly anti-inflammatory, despite feeling like the opposite when you fall into a field of them.