Page:Popular Science Monthly Volume 81.djvu/346

340 {|
 * Institution
 * colspan=2 |Smokers
 * colspan=2 |Non-smokers
 * colspan=2 |Total
 * width=250 |Amherst College
 * width=50|9
 * rowspan=16 width=30|
 * width=50|9
 * rowspan=16 width=30|
 * width=50|18
 * rowspan=16 width=30|
 * Drake University
 * 2
 * 9
 * 11
 * Haverford College
 * 4
 * 17
 * 21
 * Michigan Agricultural College
 * 3
 * 14
 * 17
 * Northwestern College
 * 12
 * 5
 * 17
 * Tulane University
 * 7
 * 14
 * 21
 * U. S. Naval Academy
 * 7
 * 5
 * 12
 * University of Colorado
 * 5
 * 7
 * 12
 * University of Kansas
 * 10
 * 9
 * 19
 * University of Montana
 * 12
 * 7
 * 19
 * University of Pennsylvania
 * 12
 * 12
 * 24
 * University of Tennessee
 * 11
 * 10
 * 21
 * Western Maryland College
 * 7
 * 12
 * 19
 * Yanktown College
 * 8
 * 9
 * 17
 * 109
 * 139
 * 248
 * }
 * 21
 * Western Maryland College
 * 7
 * 12
 * 19
 * Yanktown College
 * 8
 * 9
 * 17
 * 109
 * 139
 * 248
 * }
 * 109
 * 139
 * 248
 * }
 * 109
 * 139
 * 248
 * }
 * }
 * }

Of the total number 44 per cent, are smokers and 56 per cent, are non-smokers. Of 213 students examined by Dr. Meylan at Columbia University 52 per cent, were smokers and 48 per cent, were nonsmokers.

From the following tables it will be observed that the two classes of men are of practically the same age and weight.

While the differences in age and in weight are very slight, it should be noted that they both are in favor of the smoker. This point will be considered later.

The following table shows the relation between smoking and lung capacity.

It will be observed that smokers of the same age as non-smokers and 3.3 pounds heavier have a lung capacity of 22.6 cubic inches (7.3 per cent.) smaller. Inasmuch as the smokers are heavier than the