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WORK YOUR 'CORE'
Celebs including Heidi Klum and Cameron Diaz flock to mind-body spa Exhale in New York and L.A. for its Core Fusion classes, a blend of Pilates, yoga and core conditioning, to sculpt their bodies. Give the workouts a try with the Exhale: Core Fusion Body Sculpt DVD ($14.99). Taught by founders Elisabeth Halfpapp and Fred DeVito, the five 10-minute exercises aim to target and tighten your muscles. Plus: Get your body in gear with Health.com's five moves to a more fit you! – Serena Kappes
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SLOW DOWN FOR A FAST
About every two years, Gabrielle Union undergoes a fasting period to "start fresh." After consulting with her doctor, the Cadillac Records actress recently committed to a four-day fast during which she signed up for a juice delivery service and treated herself to a spa wrap on her last day. "It's certainly not for weight loss," says Union. "For me, it's a spiritual thing. It's getting my brain and my spirit together." Read more about detox diets on Health.com. – Michelle Tan
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TRANSFORM YOUR EYES
Celeb makeup artist Natalie Miller swears by using the Hollywood Secrets 5 Minute Eye Transformation ($89.95) to get stars including Jennifer Lopez ready for the red carpet. "If my client is tired from long press days or lack of sleep, it helps to relieve the puffiness and brighten the skin," explains Miller about the serum, which includes the anti-aging Argireline peptide. "Within five minutes or so, I see a vast improvement of the eye area." Find out Health.com's five tips to getting wide-awake eyes! – Maureen Harrington
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TRY GOING RAW
Back in her supermodel days, Carol Alt says she didn't look or feel as good as she does today at 48. "I was starving to stay in 'bikini condition,' and still gaining weight," she says. What's her secret to rocking the body she flaunts on the December cover of Playboy? Since 1996, she's adopted a raw-foods diet of uncooked veggies, sashimi, carpaccio and raw milk cheeses. Besides trimming down, she says, "Now I eat a lot and I'm never hungry!" Give raw foods a try with Health.com's recipes! – Charlotte Triggs
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GET A (HEALTHY) JAVA JOLT
"Coffee is the number one thing I think about when I wake up, after my kids!" Molly Shannon tells Health magazine. But the mom to daughter Stella, 4, and son Nolan, 3, doesn't drink java just for the jolt. "Coffee has lots of antioxidants. It's cancer-preventing. I just do one or two cups on the morning." Learn more about coffee's surprising stress-busting benefits on Health.com.