In times of yore, before modern medicine, doctors allowed leeches to suck the blood of ailing patients in an effort to rid the body of whatever was causing the illness. And today celebs like Demi Moore use leech therapy as a form of detox. The treatment - available in Austria - involves immersing the body in stinging turpentine before attaching leeches to leech-friendly spots (the belly button is one, apparently) and letting the little critters suck themselves fat.

Try instead: 24-hour detox

Going without food and drinking only water for 24 hours might sound like tough going, but US research cardiologists found that occasional fasting can lower your risks of developing coronary artery disease and diabetes, and improve your blood cholesterol levels.

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