Page:Popular Science Monthly Volume 81.djvu/347

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341
SMOKING AND FOOTBALL MEN

smokers by 3.3 pounds, their lung capacity should, from the standpoint of averages, be correspondingly greater. The following computations are based upon the weight and lung capacity of the non-smoker:

Non-smoker's lung capacity at 159.6 pounds is 308.9 cubic inches.

Smoker's lung capacity at 162.9 pounds is 286.3 cubic inches.
Smoker's lung capacity at 162.9 pounds should be 315.3 cubic inches.

Smoker's loss in lung capacity is 29.6 cubic inches, or 9.4 per cent.

In the item of lung capacity, it appears that the effects of smoking are almost completely segregated from those of other factors. The habit of smoking here stands strongly indicted. The evidence becomes little less than proof conclusive when it is noted in the following table that the smokers show a decided loss of lung capacity in each of the six institutions reporting.

 
Average
Weight
Lbs.
Average
Lung Capacity
Cu. In.
Loss in
Lung Capacity
Cu. In.
Institution A.
Non-smokers 161.8 289.1
Smokers 167.4 284.3
Smokers at 167.4 should have 299.1 14.8
Institution B.
Non-smokers 161.3 287
Smokers 166.8 291
Smokers at 166.8 should have 296.8 5.8
Institution C.
Non-smokers 159.7 357
Smokers 156 336.6
Smokers at 156 should have 348.9 12.3
Institution D.
Non-smokers 170.2 333.8
Smokers 175.3 313.0
Smokers at 175.3 should have 343.8 30.8
Institution E.
Non-smokers 149.3 296.7
Smokers 152.5 264.3
Smokers at 152.5 should have 303.0 38.7
Institution F.
Non-smokers 157.7 278
Smokers 158.7 268.1
Smokers at 158.7 should have 279.8 11.7
 

The athletic directors of the various institutions were asked to divide their men into the classes, fair, good, and very good. This classification was to be based upon the ability of the men as all round football players. The following table shows the distribution of the men according to the rating of their coaches: