"What's Inside is What Counts" ..Thin Ones may also be Fatty inside.

DIET: Thin People May Be Fat Inside from PhysOrg.com
(AP) -- If it really is what's on the inside that counts, then a lot of thin people might be in trouble. Some doctors now think that the internal fat surrounding vital organs like the heart, liver or pancreas - invisible to the naked eye - could be as dangerous as the more obvious external fat that bulges underneath the skin. [...]