Health & Medicine
- Health & Medicine
Using checklist reduces surgery complications
Measure twice, cut once: Going over a checklist of procedures in the operating room before and after surgery lowers the complication rate and, in developing countries, saves lives, a study in eight hospitals shows.
- Health & Medicine
Omega-3 fatty acid is early boost for female preemies
DHA given to newborns in the first weeks following birth improves brain development in girls, but not boys.
- Health & Medicine
Going nano to see viruses 3-D
Nanoscale MRI-like machine images individual virus shapes; first step to seeing proteins in 3-D
- Archaeology
Armenian cave yields ancient human brain
A team of scientists has excavated 6,000-year-old artifacts and three human skulls, including one containing a preserved brain, from a cave bordering Armenia’s Arpa River.
- Health & Medicine
Sirtuin shown to control gene activity
A previously overlooked protein called SIRT6 provides some molecular clues to aging.
- Health & Medicine
Record low for human blood oxygen levels
Study of Mt. Everest climbers shows some bodies can tolerate low oxygen levels that are toxic to others.
- Health & Medicine
Early C-sections pose risks
Babies delivered by elective cesarean section just a week or two before 39 weeks of gestation face increased risk of respiratory and other complications.
- Health & Medicine
Parkinson’s brain surgery works in older patients, too
A surgery in which two tiny electrodes are placed in the brain improves the quality of life of patients with Parkinson’s disease, including older patients, and seems to have only short-term side effects.
- Health & Medicine
Bone-growth drugs may increase jaw disease risk
New study finds link between common drug and jawbone death.
- Health & Medicine
Fewer dopamine receptors makes for risky business
Brain-scanning study in people sees link between personality, dopamine system.
- Health & Medicine
Disturbed sleep tied to Parkinson’s risk
People who have a disorder that causes them to thrash and kick during sleep face a high risk of developing Parkinson’s disease or other neurodegenerative disorders.
- Health & Medicine
New embryonic stem cells ratted out
Overcoming obstacles, scientists have created stable embryonic stem cells from rats. Researchers hope their method will prove useful as a general recipe for isolating stem cells from other mammals.
