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382
1905
Dr. James Cantlis (Journal of Tropical Medicine) in an
article on Tropical Hygiene, showed that it is not the heat
alone which is harmful but also the light. Es mentions the
preliminary stimlation of new-comers, and the subsequent
neurasthenia, suspended digestion, and exhaustion which may
need alchohol, He also shows the need of fresh meat to coun-
teract the exhaustions, for he thinks the lack of nitrogen'
is a prize factor in tropical exhaustions.
This brings up the question of food, and it is well to say
that physicians are now almost unanimous in declaring that
the old doctrine that we should eat very lightly of animal
food in the tropics is a very pernicious one. The natives
are now known to be suffering from nitragen starvation and
we should not imitate them inthis respect any more than we
by should imitate their filthy habits, the white man.
reason of his exhaustions possibly needs more meat than he
does at home for an equal amount of physical labour, There
is considerable evidence that beri-beri and tuberclosis at-
tack by preference those in a condition of nitrogen starva-
tion and this accop
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