Today's Top Medical Stories for Monday, March 3, 2014

By CBS News

Published 03/03 2014 07:47AM

Updated 03/03 2014 01:02PM

A new study shows the impact of childhood immunizations. It finds vaccinations prevented 42-thousand early deaths, 20-million cases of disease and saved over 13-billion dollars. The report, published in the Journal Pediatrics, estimates every dollar spent on immunization saves at least 10-dollars down the road.

Popular infant sleep machines may contribute to a baby's hearing loss, according to another study in Pediatrics. Researchers tested 14-machines and found they exceed the current recommended noise limit for infants. Experts say that can affect hearing, speech, and language development.  The study suggests moving the noise machines at least six feet from infants.

And medical marijuana may not help those who suffer from rheumatoid arthritis.  While it is sometimes used to treat intense levels of pain.. scientists in England and Australia found no positive impact in patients with rheumatoid arthritis.  That may be due to a different mechanism in the type of pain.  

(Alexis Christoforous,  CBS News)

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