From The Enigma
NPL Magazine - May, 2015
raw

The three answers to this flat all come from the same seven-letter word, whose letters are numbered 1-7.

So here's the charge
(I won't be vague):
_ _ _ _ _ _ _ is now a plague.
1 2 3 4 5 6 7
Americans are living large
On patties of some fatty meat,
On soda, candy, all things sweet.
_ _ _ _ your conscience inner voice;
1 2 3 7
You can do it! Make the choice.
Don't just _ _ _ there, get a-running
                4 5 6
Extra pounds you'll soon be shunning.

Answers:

OBESITY
OBEY
SIT