In larger reviews that included multiple studies, the links between particular foods and cancer risk were typically much smaller or nonexistent.

FORBES: Why You Should Take Studies Linking Certain Foods to Cancer with a Grain of Salt

By definition, there is nothing to prevent a single user (or bot) from adding multiple Likes to a brand through the sharing of links.

FORBES: Facebook Graph Search Runs On Likes That Advertisers Have Already Paid For

When patients developed multiple conditions, they were more likely to get illnesses that had close genetic links to their original disease than they were to get other disorders.

WSJ: Genes May Link Disparate Diseases