[Sidenote: _If Appetite Not Perverted_]

But listen! You don't have to bother with all this fussy stuff. _Be
careful not to over-or under-eat of the proteins_, and your tastes will
be a fair standard for the rest. You should remember that a balanced
diet contains some of all these foods, in about the proportions given,
and that, while _watery vegetables and fruits contain very few calories,
they contain very important mineral salts, vitamines, and cellulose._
The latter is good for the daily scrub of the intestinal tract.

[Sidenote: _A Pretty Nearly Universal Error_]

CONSTIPATION is many times caused by a too concentrated diet, or one
containing too little roughage. It has also been discovered that some
individuals who are troubled with faulty elimination digest this
cellulose, and only the more resistant, like bran, is not absorbed. For
those, the Japanese seaweed called agaragar in the laboratory, but more
familiarly known as agar by the layman, is excellent. The most
industrious digestive tract apparently can not digest that. It has the
further property of absorbing a large amount of water, thus increasing
its bulk.

[Sidenote: _C.S._]

[Sidenote: _Have Enough Water, Else You'll Choke to Death. I Did Once_]

Mineral oils (refined paraffine) also are not absorbable, and they act
with benefit in some cases. About the worst thing to do, in general, is
to take physics constantly. These are not physics, however; they act