The finding, published online in the journal The lancet, lit up headlines this week.
The lancet issued a formal retraction of the study soon after.
The lancet should never have published it (many of the co-authors later withdrew their names from the paper).
lancet lan·cet (lān'sĭt)
A surgical knife with a short, wide, pointed double-edged blade, used especially for making punctures and small incisions. Also called lance.