"We found that the babies who died of SIDS had abnormalities in serotonin in regions of the brain stem that control breathing and heart rate and blood pressure during sleep."

VOA: standard.2010.02.08

After examining Scotty and confirming that the bullet hadn't entered his skull, and with the help of producer Shirley Hung, I applied a pressure bandage to stem the bleeding as we raced to a U.S. military base for more treatment.

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Other scientists took note, and pressure arose to ease the restraints on stem-cell labs.

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Providing modern contraception also has the potential to stem population growth and relieve human pressure on the environment and natural resources.

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