ScienceDaily: Top Health News

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• Children with sleep apnea have higher risk of behavioral, adaptive and learning problems
• Estrogen plus progestin use linked with increased breast cancer incidence and mortality
• Young baseball pitchers shouldn't overdo it
• New study aims to prevent sports-related brain injury in youngsters
• Teachers' gestures boost math learning
• Risk of autism is not increased by 'too many vaccines too soon,' study shows
• Stem cell fate depends on 'grip'

Children with sleep apnea have higher risk of behavioral, adaptive and learning problems Posted: 29 Mar 2013 01:12 PM PDT A new study found that obstructive sleep apnea, a common form of sleep-disordered breathing, is associated with increased rates of ADHD-like behavioral problems in children as well as other adaptive and learning problems.

Estrogen plus progestin use linked with increased breast cancer incidence and mortality Posted: 29 Mar 2013 01:12 PM PDT Estrogen plus progestin use is linked with increased breast cancer incidence. In addition, prognosis is similar for both users and nonusers of combined hormone therapy, suggesting that mortality from breast cancer may be higher for hormone therapy users as well, according to a new study.

Young baseball pitchers shouldn't overdo it Posted: 29 Mar 2013 01:11 PM PDT Following a few basic guidelines can help young pitchers avoid overuse injuries, says orthopedic surgeon and former minor league pitcher Michael Freehill.

New study aims to prevent sports-related brain injury in youngsters Posted: 29 Mar 2013 09:53 AM PDT Ice hockey accounts for nearly half of all traumatic brain injuries among children and youth participating in organized sports who required a trip to an emergency department in Canada, according to a new study.

Teachers' gestures boost math learning Posted: 29 Mar 2013 09:51 AM PDT Students perform better when their instructors use hand gestures -- a simple teaching tool that could yield benefits in higher-level math such as algebra.

Risk of autism is not increased by 'too many vaccines too soon,' study shows Posted: 29 Mar 2013 06:03 AM PDT Although scientific evidence suggests that vaccines do not cause autism, approximately one-third of parents continue to express concern that they do; nearly 1 in 10 parents refuse or delay vaccinations because they believe it is safer than following the Centers for Disease Control and Prevention's (CDC) schedule. A primary concern is the number of vaccines administered, both on a single day and cumulatively over the first 2 years of life. Researchers concluded that there is no association between receiving "too many vaccines too soon" and autism.

Stem cell fate depends on 'grip' Posted: 28 Mar 2013 11:24 AM PDT Scientists have generated new insight on how a stem cell's environment influences what type of cell a stem cell will become. They have shown that whether human mesenchymal stem cells turn into fat or bone cells depends partially on how well they can "grip" the material they are growing in.

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