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"There are certain key nutrients that make a huge difference in not just how healthy you feel on the inside, but how healthy you look on the outside," says Tara Gidus, team dietitian for the Orlando Magic and spokesperson for the American Dietetic Association. Check out her "No-Effort Guide" to looking great this week on AOL Health. One tip? Do this simple detox: Drink enough water. This liquid flushes out toxins and transports oxygen to your cells, which can not only boost skin clarity and reduce the appearance of wrinkles, but water also affects how defined your muscles look and how much power they provide you when you need them for other purposes -- say working out. So what are you waiting for? Start looking better today.

I told you the other day why I exercise. It went like this.

• It makes up for the extra calories I eat.
• It fuels my day with energy -- I'm an AM exerciser.
• It motivates me.
• It makes me feel accomplished.
• It makes me feel healthy.
• It makes me feel strong.
• It helps me maintain my weight.
• It's give me time alone.
• It allows me to role model a behavior I hope my kids will embrace.
• It keeps cancer away -- research says five hours of weekly strenuous exercise helps prevent breast cancer recurrence.
  
  

Then I asked: Why do you exercise? Here's what a few of you said.

Why do you exercise?(click thumbnails to view gallery)

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