Article: Vitamin C: still key for immunity, cancer, heart disease, eye health.

Part 3 of a six-part series on key vitamins.

Vitamin C seems almost a nutritional has-been in media attention. Yet it remains a top seller. Despite that, there are still many people who shortchange themselves. Vitamin C garners attention mostly for heading off the full-fledged assault of the common cold and sometimes for its anticancer promise, and rightfully so. But vitamin C's role in good health goes beyond boosting the immune system. EN takes a closer look.

C for Cellular Bodyguard. Vitamin C is a powerful antioxidant that helps neutralize free radicals produced by exposure to the environment--sunlight, smog, and smoking--and our bodies.

We ...

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