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Pharmaceuticals are facing big patent cliff problems this year, but several biotechnology stocks have been doing quite well: Their biologic drugs command high prices, tend become blockbusters, and they are in far less danger from generic competition. Here are the big winners so far this year.

Jet lag is a drag. There's no better way to put it. Melatonin, warm baths, herbal teas and meditation are all supposed "cures," but no really agrees on whether they really work. A transatlantic or transpacific flight can turn even the fittest among us into zombies for days. Now comes news from...