Sentences with phrase «although several large studies»

Although several large studies have shown that α - synuclein levels are lower in the CSF of PD patients and those with related synucleinopathies compared to controls, its role in cognitive decline and dementia had been unexplored.

Not exact matches

Although several small studies have found similar results, this large study of almost 800,000 babies and mothers expands the evidence by using a statistical method that also accounts for unmeasured or unobserved factors.

Several studies have explored the link between sleep apnea and pneumonia, although they have been smaller than this large cohort study.

Although several case reports have indicated that there may be an association between use of HRT and risk of acute pancreatitis, the evidence from large studies is sparse.