Stay away from fatties

They’re contagious:

It may seem like bad news for the thin among us, but socialising with people heavier than yourself could make you put on weight…. where two people who are friends for a long time, and where one is heavier than the other, the thinner friend tended to increase in weight by up to 57 per cent over time.

No offense to the heavyset, you understand, it’s just that it’s catching….