What's eating the sea butterfly? CO2, study says
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.
No cognitive decline for women with migraines: study
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.
Fifth of US youth with HIV unaware during first-time sex
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 exercise raises life expectancy: study
Regular moderate exercise can raise life expectancy -- even among people who are overweight, a study said Tuesday.
Cancer drug helps MS patients, trials show
A drug initially developed to treat some types of cancer now appears to help people suffering from multiple sclerosis (MS), a study said Thursday.
Breast cancer screening saves lives, says study
The benefits of preemptive breast cancer screening outweigh the risks, a study said Tuesday, insisting the practice saves thousands of lives.
Women smokers who quit before 40 gain nine years in lifespan
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.
Canadians' well-being down as economy grows: study
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 still face gender gap in jobs, wages: report
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.
Obesity surgery is good for the heart: research
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 beats UN pollution threshold
Smoking in cars raises levels of dangerous fine-particle pollutants to many times the limit recommended by the world's health agency.
Mars rover makes surprising rock find
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.
Cannabis eases sclerosis stiffness - study
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.
Tomatoes can lower stroke risk: study
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.
Facebook and Twitter more tempting than sex: study
A study arousing interest online Friday found that checking Facebook or Twitter is more alluring than sex for those immersed in Internet Age lifestyles.
Australia admits neglect of Great Barrier Reef
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.
Most scientific paper retractions due to misconduct: study
When a biomedical study is retracted, most of the time it is because of misconduct rather than error, a report published Monday said.
Great Barrier Reef coral halved in 27 years: study
Australia's Great Barrier Reef has lost more than half its coral cover in the past 27 years due to storms, poisonous starfish and bleaching linked to climate change.
Republican women more feminine than Democrats: study
Female Republican politicians look more feminine than their Democratic counterparts, according to a study published Thursday based on facial features of US women lawmakers.
Global sales of 'smart devices' surging: study
Global sales of so-called smart connected devices -- computers, smartphones and tablets -- rose sharply in the past quarter, driven by smartphones and tablets.
