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The Strong Connection Between Exercise and Immunity

exercise and immunityModerate activity can help keep you healthy
Are you constantly battling coughs or colds? Do you feel tired all the time? You might want to take a daily walk or follow a simple exercise routine a few times a week to help you feel better. Exercise not only helps your immune system fight off simple bacteria and viral infections, but it also decreases your chances of developing heart conditions, brittle bones and other serious diseases.

There are several theories as to exactly how exercise increases your immunity to certain illnesses.

Physical activity may help by flushing bacteria out from the lungs -- helping decrease the chance of a cold, flu or other airborne illness. It may also flush out carcinogens by increasing output of wastes, such as urine and sweat.

Exercise sends antibodies and white blood cells (the body's defense cells) through the body at a quicker rate. Because these antibodies are circulating more rapidly, they can detect illnesses earlier than normal. The increased rate of circulating blood may also trigger the release of hormones that "warn" immune cells of intruding bacteria or viruses.

  • The temporary rise in body temperature may prevent bacterial growth. This allows the body to fight the infection more effectively. This is similar to what happens when you have a fever.
  • Exercise slows down the release of stress-related hormones, which increases the chance of illness.

Exercise is beneficial, but be careful not to overdo it. If you already exercise regularly, it's best not to develop too vigorous a workout program in the hopes of increasing the immunity benefits. Heavy, long-term exercise (such as marathon running and intense gym training) could actually decrease the amount of white blood cells circulating through the body and increase the presence of stress- related hormones.

Studies have shown that the people who benefit most from starting (and sticking to) an exercise program are those who go from a sedentary lifestyle to a moderately energetic lifestyle. A moderate program can consist of:

  • Bicycling a few times a week
  • Daily 20 - 30 minute walks
  • Going to the gym every other day
  • Playing golf regularly

Exercise can help us feel better about ourselves, just by making us feel more energetic and healthier. So go ahead, take that aerobics class or go for that walk -- you'll feel better and healthier.

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Are you drinking away your Vitamin B-12?
While light alcohol use may offer health benefits, more than 1-2 drinks per day increases the risk of many health issues. Did you know that alcohol may even lower Vitamin B12 in your body?
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Atlanta health info discussed here:

  • exercise boosts immunity
  • exercise and aging
  • exercise for stress relief
  • overcoming procrastination
  • how to get more done
From the Research Desk...

Exercise can help reduce stress-related aging of cells

San Francisco, California: Brief exercise may help protect cells from stress-induced aging, say researchers from the University of California, San Francisco (UCSV).

They discovered that as little as 42 minutes of daily exercise over a 3-day period can help protect against the effects of stress on telomere length. (Telomeres are pieces of DNA on the tips of chromosomes that act as protective sheaths, keeping the chromosomes from unraveling.) exercise and agingPrevious research has shown that stress can affect the length of telomeres; short telomeres have been linked to a variety of health problems, including coronary heart disease, diabetes and early death.

"Telomere length is increasingly considered a biological marker of the accumulated wear and tear of living, integrating genetic influences, lifestyle behaviors, and stress," said Elissa Epel, PhD, one of the lead investigators and an associate professor in the UCSF Department of Psychiatry. "Even a moderate amount of vigorous exercise appears to provide a critical amount of protection for the telomeres."

Atlanta Tips for Healthy Living...
how to stop procrastinating

Five ways to overcome the procrastination habit, enjoy better mental focus, and get more done

Are you a last-minute person? Do you put things off until they become urgent? Procrastination can come disguised in many ways but it always includes waiting until the last possible minute to do something. (Just as a side note, some people do in fact work best under pressure and their tendency to procrastinate works in their favor.)

However, most people dislike the feelings that come along with doing things at the last minute under pressure. They feel stressed! They feel bad for not having control over their emotions and actions. If this applies to you it is time to go to work on changing this habit. It can be done -- and following these steps can help:

  1. Get organized. Being disorganized leads to chaos and feeling overwhelmed. Start by tidying up and organizing your life.
  2. Focus on your goals. In the hectic world we're living in, it's easy to become so burdened with tasks that we don't know where to start. Take time to list down all the tasks and sort out those that are important in accomplishing your goals.
  3. Take baby steps. The smaller steps aren't as intimidating and facilitate getting started. If a project can't be completed a little at a time over several days, keep up your momentum by focusing only on the next doable step.
  4. Set deadlines. This is very important because nothing gets done if there is no deadline. Deadlines will give you a sense of urgency to take action. Reward yourself when you complete a task or a project.
  5. Stay motivated. There are many things you can do to stay motivated. First, you must have a goal or desire to succeed. You can read books that are inspirational, paste motivational quotes around where you can see them, listen to upbeat music, attend seminars and hang around with people who are positive.

You have the power and the ability to conquer procrastination. Follow these simple steps, and you're sure to break out of the endless cycle of procrastination.

Source: TriVita VitaJournal, April 2011. Judy Ellison, Ph.D., is a psychologist, author and motivational speaker, She has inspired people around the world to reach within and find their passionate purpose to live a more meaningful life, To read more from Dr. Judy, check out her blog in the Wellness Center on trivita.com.

Today's World Health News...
BBC News - Health
BBC News - Health
The latest stories from the Health section of the BBC News web site.

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A cheap drug, which is already prescribed for arthritis, could fight amoebic dysentery, according to researchers in the US.
05/21/2012 02:13 AM
Two patients get eye stem cells
Two people in Scotland have stem cells transplanted into their eyes as part of a clinical trial to restore their sight.
05/20/2012 10:08 PM
Actress aids dementia awareness
Carey Mulligan backs a call for dementia awareness as a poll highlights the impact on families and friends.
05/18/2012 07:02 PM
US baby boomers in Hep C warning
US baby boomers are advised to get tested for the liver-destroying virus hepatitis C, in a move health officials say could save 120,000 lives.
05/17/2012 06:36 PM
Dieting 'safe for pregnant women'
Dieting in pregnancy is safe and does not carry risks for the baby, a review of research has suggested.
05/16/2012 04:34 PM
Statins 'benefit healthy people'
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05/17/2012 06:37 PM
Father wants 'donation' lessons
A father who lost his son to leukaemia is calling for schools and colleges to make a lesson on donating stem cells, blood and organs part of the curriculum.
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UK retains strict animal test law
The UK says it will retain stricter animal testing standards than required by a new European Union Directive.
05/17/2012 01:27 PM
White births now minority in US
Children from racial and ethnic minorities now account for more than half the births in the US, estimates from the latest census data say.
05/16/2012 04:34 PM
Oldest living kidney donor at 83
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USATODAY.com Feed
USATODAY.com Feed
http://www.usatoday.com

04/02/2012 07:15 AM
Melanoma cases rising; young women at greatest risk
Study says that could be because they are more likely to use tanning beds than men.



04/01/2012 10:28 AM
Long use of any hormones raises women's breast cancer risk
A new study tracked about 60,000 nurses and found that use of any kind of hormones for 10 years or more slightly raised the chances.



04/03/2012 08:27 AM
Black women have trouble clearing cervical cancer virus
Provocative new research might help explain why black women are so much more likely than whites to develop and die from cervical cancer.



04/02/2012 07:05 AM
FDA rejects call to ban BPA from food packaging
The FDA has rejected a petition from environmentalists that would have banned BPA from all food and drink packaging.



05/20/2012 09:01 PM
Youth diabetes, pre-diabetes rates soar
The disease jumped from 9% of the adolescent population in 2000 to 23% in 2008 in what could be a grim sign for the future.



05/18/2012 01:10 PM
New lead poisoning guidelines: What parents should know
Blood testing is especially important for poor children, although few of the highest-risk kids are ever tested.



05/18/2012 12:54 PM
Pool rules: Never drink the water, swim sick
Utah residents know all about how to prevent one illness spread in pool, thanks to education campaigns started after a 2007 outbreak.



Well
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Tara Parker-Pope on Health

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Turning Yoga Into Art
Robert Sturman, an artist from Santa Monica, Calif., has traveled around the world painting and photographing landscapes, musicians and athletes. But it is the study of yoga that has triggered one of the most creative periods of his career.
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Can Runners Have 'Too Many Miles on the Tires'?
If you start racing when you are young, will you be slower in middle age than if you started when you were older?
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Diabetes on the Rise Among Teenagers
A study found a sharp increase in the disease's prevalence among teens, adding to worries that diabetes may progress more rapidly in children than in adults.
05/20/2012 02:01 PM
Sleep Apnea Tied to Increased Cancer Risk
Two new studies have found that people with sleep apnea, a common disorder of sleep that causes snoring, fatigue and dangerous pauses in breathing at night, have a higher risk of cancer, the first time that sleep apnea has been linked to cancer in humans.
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When Garlic Goes Green
Shoppers at farmers' markets may come across green garlic, which has been harvested early, before the cloves have matured. The Recipes for Health columnist Martha Rose Shulman offers five new ways to cook with green garlic.
05/17/2012 01:15 PM
Does Facebook Turn People Into Narcissists?
Some research suggests that people who frequently update their Facebook status are more likely to exhibit narcissistic traits, but the social medium of choice for the self-absorbed may actually be Twitter.
05/17/2012 09:35 AM
Using a D.M.V. Wait to Enroll Organ Donors
Showing people who were waiting to get a driver's license a short video about the impact of organ donation increased the number of organ donors by more than 10 percent, and the increase was especially dramatic among African-Americans.
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Life, Interrupted: Hope Is My New Address
I've left the isolation of the hospital after my bone marrow transplant and no longer need to be connected to IVs around the clock. I'm enjoying my freedom, but cancer continues to dictate my choices, writes Suleika Jaouad.
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Coffee Drinkers May Live Longer
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