The United States will likely be the "first among equals" rather than a lone superpower by 2030, in an increasingly chaotic world where China is the top economy.
Consuming large quantities of a key ingredient in beer can protect against winter sniffles and even some serious illnesses in small children, a Japanese brewery said citing a scientific study.
The sperm count in French men dropped by nearly one-third between 1989 and 2005 and the quality of sperm also declined.
Bloggers, "crowdsourcing" and computer-generated articles are making contributions to the news media, but they cannot replace professional journalists in digging up important news.
Rising acidity is eating away the shells of tiny snails, known as "sea butterflies", that live in the seas around Antarctica, leaving them vulnerable to predators and disease.
Women suffering from migraines are more likely to experience changes to their brain tissue, though these do not appear to cause long-term damage to their mental condition.
Twenty percent of young people born with HIV in the United States don't know they're infected when they have sex for the first time, according to a new study released Friday.
Regular moderate exercise can raise life expectancy -- even among people who are overweight, a study said Tuesday.
A drug initially developed to treat some types of cancer now appears to help people suffering from multiple sclerosis (MS), a study said Thursday.
The benefits of preemptive breast cancer screening outweigh the risks, a study said Tuesday, insisting the practice saves thousands of lives.
Women can add nine years to their lives by quitting smoking before the age of 40 but still face a 20-percent higher death rate than those who never smoked.
Quality of life for Canadians has dropped significantly since the last recession in 2008, even though indicators show a rebound in the economy, said a study published Tuesday.
Women are closing the gender gap with men in health and education but struggle to get top jobs and salaries, data from a study of 135 countries showed on Wednesday.
Bariatric surgery to help the obese shed weight also reduces risks of cardiovascular disease, according to a review published on Wednesday in the specialist journal Heart.
Smoking in cars raises levels of dangerous fine-particle pollutants to many times the limit recommended by the world's health agency.
A rock analyzed by NASA's Mars rover Curiosity has a surprising and more varied composition that resembles rare rocks from the bowels of our planet.
Use of cannabis extract helps ease painful muscle stiffness among patients with multiple sclerosis (MS), according to a large trial published on Tuesday in the Journal of Neurology, Neurosurgery and Psychiatry.
Eating tomatoes can dramatically reduce the risk of having a stroke, according to a new study out Monday that provided more support for diets rich in fruits and vegetables.
A study arousing interest online Friday found that checking Facebook or Twitter is more alluring than sex for those immersed in Internet Age lifestyles.
The Australian government admits the Great Barrier Reef has been neglected for decades after a study showed it has lost more than half its coral cover in the past 27 years.
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