Not being able to tease out cause and effect «is
a limitation in a study like this one,» she says.
Not exact matches
Although this
limitation is present
in other
studies using similar artificial grammar -
like nested sequences64, 104, the effects of length were typically not observed, possibly because the differences
in duration
in those
studies were around 1 s compared to 3 s
in the current experiment.
The authors also say that
limitations in their research —
like the fact that BMI and waist measurements were only collected once, rather than several times over the course of the
study — may have skewed the results.
While the
study doesn't touch on important
limitations like drug intake, dietary calcium, vitamin K, seasonality or even a longer look at vitamin D throughout disease stages, we do know that there's a high level of serum vitamin D deficiency
in patients with AS.
There are
limitations like (a) this is so far based on lab
studies, whereas life
in the «wild» may have some unexpected resiliencies