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Why do some older women smoke (when they surely know better by now)? It may make them feel sexy: a recent study discovered that postmenopausal women who smoke have higher androgen and estrogen levels than non-smoking women, with sex hormone levels being highest in heavy smokers.
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Can the sun cause cold weather? Cold winters that have dumped tons of snow on areas like the Northeastern US may have their origins in the sun’s varying ultraviolet emissions. Recent satellite data shows that the sun’s UV output is far more changeable than scientists had previously thought, and these changes lead to warmer winters in some places and colder winters in others.
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