TABLE OF CONTENTS:
FEATURE STORY
Eat Right to Reduce Cancer Risk

IN THE NEWS
Women: Stay Active to Reduce Breast Cancer Risk

CHECKLIST
Helpful Dietary Changes

COOKING CORNER
Lemon Pepper Linguine with Artichoke Hearts

VITAMINS & MINERALS
Focus on Folic Acid

HERBAL REMEDIES
Go With Green Tea

EVERYDAY ANSWERS
How Can I Get Enough Vitamin D?

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Women: Stay Active to Reduce Breast Cancer Risk

The British Medical Journal reports that a new review confirms the beneficial effect of physical activity on breast cancer risk and further finds that women who exercised the most had a 25% less breast cancer risk than women who exercised the least.

A lifetime of physical activity (compared with only several years or months) and vigorous physical activity (compared with mild or moderate) were associated with even greater cancer protection. The majority of studies suggest that the more a person exercises, the more benefits she might gain.

The association between physical activity and decreased cancer risk was strongest in postmenopausal women, women with a normal body mass index, and non-white racial groups.

One recent study found that women who exercised throughout their lifetime had a 23% lower risk of premenopausal breast cancer than women with less activity. The women’s activity levels were equivalent to 3.25 hours per week of running or 13 hours per week of walking. High activity levels from 12 to 22 years old were associated with the lowest risk in that study.

Physical activity may reduce cancer risk by lowering the levels of hormones such as estrogen, insulin, and insulin-like growth factor. These hormones are important for health but when present in excess can promote cancer development in certain people.

An Institute of Medicine report recommends that women exercise moderately for 60 minutes each day. This may include brisk walking (faster than three miles per hour) or running. Children should engage in 90 minutes or more of physical activity each day. Tips for a successful exercise plan include:

• Choose something you like to do so that you are more likely to stick with it.
• For some, social support may increase the likelihood of engaging in exercise; work out with a buddy to keep it interesting.
  
• Mix it up. Choose different physical activities so that you don't get bored (a major reason that people stop exercising).
• Always check with a doctor before starting a new exercise plan, particularly if you are over age 40 or have a medical condition.

(Br J Sports Med 2008; doi:10.1136/bjsm.2006.028132; J Natl Cancer Inst 2008;100:728–37)

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