This is a great example of how bad nutrition data is, and why meta studies are to be treated with caution. They took 45 studies, but 90% of them were either l

This is a great example of how bad nutrition data is, and why meta studies are to be treated with caution. They took 45 studies, but 90% of them were either low or very low quality. ‘Overall, using the GRADE framework, 22 pooled analyses were rated as low quality, with 19 rated as very low quality and four rated as moderate quality.‘