Exercise can improve sleep for people with insomnia, but it isn't a quick fix, according to a Northwestern University study published in the Journal of Clinical Sleep Medicine. Digging deeper into a previous study that found a 16-week exercise program helped to reduce insomnia, researchers found there was no immediate sleep benefit on nights following a workout, and women who had a poor night's sleep were less likely to exercise the next day.
Federal agencies have been asked to submit proposals for how they can make the results of government-funded science research more available to the general public. The proposals are expected to add to the debate over how to address the costs associated with making digital research data more open.
A number groups are working to build support in the House for immigration legislation while Congress is in session this month. "We've got to win August so we can go into September with momentum," said Frank Sharry, executive director of the group America's Voice. Republican House leaders have said they won't support the immigration bill passed by the Senate.
Faced with stagnant or declining budgets, many U.S. cities are asking programmers for help in utilizing emerging technologies such as Big Data. In New York and Chicago, hackers are helping aggregate data and build applications related to public transportation, health care and other services.
A Canadian study found early signs of cardiovascular abnormalities among obese children and teens, including changes in ventricular and vascular structure and function. Prevention and treatment initiatives targeting obesity are urgently needed in order to avert cardiovascular damage at an early age, researchers reported in the Journal of the American College of Cardiology.