pected impairments among, 136-137.

Basal metabolism of the body, ascertaining the, 196-197.

Baseball, value as all-round exercise, 98.

Bathing, importance of, for avoiding disease, 75-76;
perspiring before, 76;
activity and relaxation combined in, 101-102;
as a means of skin training, 274-275.

Baths, different forms of, for different needs, 102;
nervous relaxation induced by neutral, 102;
for colds, 278-279.

Beans, baked, food value of, 29, 175;
a high-protein food, 38;
protein in, a possible objection, 39-40;
a cheap source of protein, 131.

Bedbugs, diseases spread by, 74.

Beds, hard preferable to soft, 104.

Beets, food value of, 41, 175.

Belts, constriction from, 16.

Benedict, F. G., experiments by, to ascertain basal metabolism, 196-197.

Berries, food value of, 41, 177.

Blindness among tobacco smokers, 264.

Blood pressure, influence of deep breathing on, 25.

Bowels, foods the best regulators of the, 52.
_See_ Constipation.

Brain, effect of alcohol on, 237-239.

Brain workers, eating habits of, 34-35.

Bread, food value of, 29, 180;
stale and crusty preferable to soft fresh, 41;
a cheap source of starch and sugar, 131.

Breathing, deep, 24-25;
influence of muscular exercises on, 26;
beneficial effect of singing, 26;
relation of, to one's mental condition, 26-27.

Bulk, a necessary quality in food, 41-42, 150.

Bush, A. D., tests by, as to smoking and mental efficiency, 260.

Butter, food value of, 30, 33, 181.

Cabbage, cellulose in, 41;
food value of, 131, 175.

Cakes, table of food values of, 179.

Calories, fuel-units for measuring food, 28.

Cancer, measures for combating increase of, 292.

Candy, over-indulgence in, 48.

Cantaloupe, food value of, 30, 177.

Carbohydrate, function of, as a constituent of food, 35-36;
examples of, in common foods, 36;
suitable proportion of, in diet, 40;
in cheap foods, 131;
list of foods rich, moderate and deficient in, 171.

Card-playing, mental recreation from, in moderation, 100.

Catarrh, sometimes caused by smoking, 264;
avoiding quack cures for, 280.

Cathartics, avoidance of, 53.

Cauliflower, food value of, 41, 175.

Celery, cellulose in, 41;
vitamins supplied by, 42;
food value of, 175.

Cellulose, a necessity in diet, 41.

Cereals, laxative qual