https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2015.00011/full
Background: Several observational studies have shown an association between increased circulating homocysteine and risk of type 2 diabetes (T2D). We aimed to...
no evidencecausal relationshipfrontiersplasmahomocysteine
https://rph.khu.ac.ir/article-1-20-en.html
The current study investigated the causal relationship between the sense of coherence (SOC) and psychological hardiness, coping strategies and mental health....
causal relationshipstudysensecoherencepsychological
https://pubmed.ncbi.nlm.nih.gov/28356466/?dopt=Abstract
We provide evidence supporting independent and causal effects of decreased vitamin D levels and increased BMI on susceptibility to pediatric-onset MS.
for acausal relationshipvitamin devidencelow
https://www.edweek.org/leadership/study-suggests-causal-relationship-between-phys-ed-childs-weight/2013/05
Increasing the amount of physical-education time for 5th graders appears to reduce the likelihood of childhood obesity.
causal relationshipphys edstudysuggestschild