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The case of the bad placebo
Staying Healthy
Supplements to prevent heart disease and cancer not justified
- By Matthew Solan, Executive Editor, Harvard Men's Health Watch
In the journals
The U.S. Preventive Services Task Force (USPSTF) recently announced that there was insufficient evidence for using most vitamin and mineral supplements to prevent heart disease and cancer in most healthy adults.
In a stronger position, the task force also recommended against using vitamin E or beta carotene to prevent heart disease or cancer, noting that in high-risk people, like smokers, these supplements could increase the risks of developing lung cancer and of dying from heart disease or stroke. However, people with nutritional deficiencies or requirements may benefit from specific vitamins and supplements and should speak with a doctor. The USPSTF based its suggestions on a review of 78 studies.
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About the Author

Matthew Solan, Executive Editor, Harvard Men's Health Watch
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About half of all Americans routinely take dietary supplements. The most common ones are multivitamin and multimineral supplements. Making Sense of Vitamins and Minerals: Choosing the foods and nutrients you need to stay healthy explains the evidence behind the benefits and safety profiles of various vitamins and minerals. It also includes the recommended minimum and maximum amounts you should consume, as well as good food sources of each.
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