Sentence examples for observational studies from inspiring English sources

But observational studies do not demonstrate causality.

It came to a different conclusion from the observational studies.

And controlled experiments often prove observational studies wrong.

Additional observational studies seemed to uncover other connections as well.

With hormone replacement therapy, we did many observational studies.

Results from the observational studies were reported in October 2011.

That's what you can't tell from observational studies".

The initial promises made that HRT could reduce future cardiovascular disease were based on observational studies.

"However, observational studies have raised concerns about negative effects of weight loss and weight cycling.

Observational studies of humans show that hormone levels may fluctuate during competitions.

The authors also examined 64 observational studies of tomato or tomato product consumption and cancer risk.