Alcohol causes the body to lose heat so rapidly that it becomes cooler instead of warmer.
15.

The danger of freezing to death when exposed to extreme cold is greatly increased by taking alcohol.
16.

Stanley, and other African explorers, say that it is dangerous to use alcoholic drinks in hot climates.
17.

In very hot weather, persons who use alcoholic drinks are more subject to sunstroke than those who do not.
18.

Beefsteak soaked in alcohol becomes tough like leather.