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February 2013 Health News Review

February 4, 2013

Dr. Arnold's Latest Baseball Newsletter = What is the Best Arm Slot for Pitchers?

5) To Prevent Injuries, Young Athletes May Need to Play More Just for Fun - ScienceDaily - January 11, 2013

"...among single-sport tennis players, those who suffered injuries spent 12.6 hours per week playing organized tennis and only 2.4 hours per week in free play and recreation. By comparison, the uninjured tennis players spent only 9.7 hours per week playing organized sports, and 4.3 hours a week in free play and recreation, even while having a similar total number of weekly hours."

4) Help for the Deskbound - New York Times - January 15, 2013

“…the 20-20-20 rule is used to reduce eye strain. In the case of the eyes, the rule is to take 20 seconds to look at something 20 feet away (instead of your computer), and repeat this every 20 minutes…this eye rule can be applied to movement as well. Every 20 minutes, walk 20 feet away for 20 seconds or more.”

3) Boosting Your Flu Shot Response With Exercise - New York Times - January 16, 2013

"Those who had exercised moderately for 90 minutes after being inoculated exhibited 'nearly double the antibody response' of the sedentary group.exercise probably sped blood circulation and pumped the vaccine away from the injection site and to other parts of the body.exercise probably also goosed the body's overall immune system which, in turn, helped exaggerate the vaccine's effect."

2) Fast Food Diet Linked to Asthma and Eczema Severity in Kids - ScienceDaily - January 16, 2013

"3 or more weekly servings were linked to a 39% increased risk of severe asthma among teens and a 27% increased risk among children, as well as to the severity of rhinitis and eczema, overall."

1) Low Vitamin D Levels Linked to High Risk of Premenopausal Breast Cancer - ScienceDaily - January 24, 2013

"a blood level of 50 ng/ml is associated with 50% lower risk of breast cancer.those who consume 4,000 IU per day of vitamin D from food or a supplement normally would reach a serum level of 50 ng/ml."

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