Evidence may be lacking to link missing breakfast with obesity

The US researchers searched the 92 studies available on the proposed effect of breakfast on obesity and found the observational literature had gratuitously established an association, but not a causal link, between skipping breakfast and obesity.

A pooled meta-analysis showed skipping breakfast was associated with a 55% increased risk of obesity.

However, the authors found the association was established in 1993, the first year studies started appearing linking skipping breakfast and obesity, when three studies were published.

Studies continued to be performed and by 2011, the p-value for the association was less than 10–42, providing evidence of research lacking probity, the authors said, which they defined as experiments about questions that have already been answered, or are designed so that they don’t advance