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 The Secret of a Healthy Heart   Health,Fitness,Food & Beverages From the time when the fruits of fermentation were discovered, wine has been a welcome guest. Not only at dinner tables, but also at weddings, religious rituals and even in doctors' offices. Not so long ago, however, scientists began to investigate the actual health benefits of drinking wine. And the findings they've uncorked are enough to make any wine lover raise his glass and say “Salut!” When sipped in moderation, particularly red wine, can help lower cholesterol and prevent hardening of the arteries and heart disease. Also, studies discovered that it can kill the bacteria that cause food poisoning and travelers' diarrhea. Obviously, experts don't recommend that people start guzzling wine rather than sipping it or that people who don't drink should suddenly start. Rather, what the evidence suggest is that moderate drinking can be a helpful addition to a healthy diet. For many  years, scientists...