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6 Steps to Strengthen Your Immune System

Boost Your Body's Defenses

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2. Exercise Regularly
According to the President’s Council on Physical Fitness and Sports (PCPFS), data from numerous studies show that regular exercise reduces the number of sick days. In three separate studies cited in the June 2001 issue of the PCPFS’ Research Digest, women who engaged in 35-45 minutes of brisk walking, five days a week, for 12-15 weeks experienced a reduced number of sick days compared to the control (sedentary) group. Exercise doesn’t have to be strenuous to provide these benefits—in fact moderate exercise may even achieve a better result. A study published in Medicine and Science in Sports and Exercise found that upper respiratory infections were more common among athletes during heavy training. Whatever you do, listen to your body. If you’re under the weather already, take it easy until you feel better.

3. Get Enough Sleep
Deep sleep stimulates and energizes the immune system, while sleep deprivation has the opposite effect. According to authors of a sleep study published in 2001 in the journal Seminars in Clinical Neuropsychiatry, significant detrimental effects on immune functioning can be seen after a few days of total sleep deprivation or even several days of just partial sleep deprivation. According to the National Institutes of Health, the average adult needs between 7 and 8 hours a night, although some people may need as few as 5 hours or as many as 10 hours. To make sure you are getting enough quality sleep, avoid caffeinated drinks (and other stimulants), decongestants, tobacco and alcohol. Alcohol can assist falling into a light sleep, but it interferes with REM and the deeper stages of sleep, which are restorative.

4. Manage Stress
Between fender benders, work deadlines, marital problems and hectic schedules, keeping stress out of your life is impossible. But how you choose to react to stress can greatly impact your overall health. Sweeping problems under the rug as opposed to solving them can turn short-term stress into chronic stress, which can cause health problems. According to the National Institutes of Health, hormones (like cortisol) that hang around during chronic stress can put us at risk for obesity, heart disease, cancer, and a variety of other illnesses. These stress hormones can work in two ways, either switching off disease-fighting white blood cells or triggering a hyperactive immune system, which increases your risk of developing auto-immune diseases. So find ways to de-stress a few times per week, whether you exercise, practice yoga, meditate, or take a relaxing bath.
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About The Author

Liza Barnes Liza Barnes
Liza has two bachelor's degrees: one in health promotion and education and a second in nursing. A registered nurse and mother, regular exercise and cooking are top priorities for her. See all of Liza's articles.

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