Older women who confined their daily eating to a shorter window improved more on certain cognitive tests over six months than women who ate across a longer window, according to a pilot trial presented at a nutrition conference in late July.
The evidentiary tier belongs in the first paragraph, because it determines what the result can support. This was a pilot study of 47 participants, presented as a conference abstract, and it has not been peer reviewed or published. The American Society for Nutrition, which hosted the presentation, states that abstracts at its meeting were selected by an expert committee but did not undergo the peer review required for journal publication, and that findings should be considered preliminary.
