The introduction is irrelevant to the research, which is a basic descriptive analysis. It's clear they're not qualified to assert significance or causation. >

The introduction is irrelevant to the research, which is a basic descriptive analysis. It's clear they're not qualified to assert significance or causation. > The main strengths of our study are its novel scope of estimating a century of trends in adult height for all countries in the world and for both sexes. That's really its only strength.