The study found that the patients' risk of suffering a fall was higher for up to one hour after emotional stress.

VOA: special.2009.03.24

The study found that the physical condition of Parkinson's patients often improves after they receive deep brain stimulation.

VOA: special.2009.02.03

The study found that sixteen babies born by C-section had higher DNA-methylation rates immediately after they were born than the other babies.

VOA: special.2009.11.24

Students cannot return to the United States for two years after they finish their year of study.

VOA: special.2009.06.18

The study was finally shut down after an employee told a reporter about the experiment.

VOA: special.2010.07.21

Last August,a study in the journal Sleep Medicine said children who go to bed after nine o'clock took longer to fall asleep and slept less.

VOA: special.2010.06.09

The study found that stress levels dropped sharply after people reached their fifties.

VOA: special.2010.08.03