Heat, especially year-round heat, has an even more deleterious consequence: it encourages the proliferation of life forms hostile to man.
-- David S. Landes, The Wealth and Poverty of Nations
Hikers can minimize the deleterious effects of high altitudes by spending two days acclimatizing themselves at spots around 8,000 feet.
-- Nancy Stedman, "The Good and Bad of Sun Exposure", New York Times, May 4, 1999
