878,798 articles

US-Mexico border wall could threaten wildlife species

A 700-mile security wall under construction along the United States' border with Mexico could significantly alter the movement and "connectivity" of wildlife, biologists say, and the animals' potential isolation is a threat to populations of some species.

Worries about paying bills can cause people to pack on pounds

Stressing out can cause people to gain weight, according to a study appearing in the July 15 issue of the American Journal of Epidemiology. This new study is believed to be one of the first of its kind to look at the relationship between weight gain and multiple types of stress -- job-related demands, difficulty paying bills, strained family relationships, depression or anxiety disorder -- in the...

Wrong dose of heart meds too frequent in children

Infants and young children treated with heart drugs get the wrong dose or end up on the wrong end of medication errors more often than older children, according to research led by the Johns Hopkins Children's Center to be published July 6 in Pediatrics.

Final Rules Broaden Pool for Stem Cell Research (HealthDay)

HealthDay - MONDAY, July 6 (HealthDay News) -- The U.S. government issued final guidelines Monday describing which embryonic stem cell lines will be eligible for government funding, effectively expanding the universe of stem cells that can be used for research.

Medical marijuana moves mainstream

David Goldman has a chronic headache, but help is on the way. A driver arrives at his apartment and rings the doorbell, checks Goldman's ID card, then hands over a small bag of marijuana.

Songbirds Reveal How Practice Improves Performance

Learning complex skills like playing an instrument requires a sequence of movements that can take years to master. Last year, neuroscientists reported that by studying the chirps of tiny songbirds, they were able to identify how two distinct brain circuits contribute to this type of trial-and-error learning in different stages of...

200 percent increase in cardiovascular medication costs to $5 billion in Canada

The number of prescriptions in Canada for cardiovascular medications has been increasing over the past decade, with a 200% increase in costs, found a new study in CMAJ (Canadian Medical Association Journal). In 2006, total costs of cardiovascular medications exceeded $5 billion, with statins accounting for almost 40% of the expenditure.

US finalizes stem cell research guidelines (AFP)

Getty Images/File/Darren Hauck)" border="0" />AFP - The US government has unveiled final ground rules for "ethically responsible, scientifically worthy" embryonic stem cell research studies, eligible for federal...