Health & Medicine
- Health & Medicine
Darkness, melatonin may stall breast and prostate cancers
New studies suggest strong links between melatonin and breast and prostate cancers.
- Life
As cells age, the nucleus lets the bad guys in
A study tracks a growing 'leakiness' in the membrane of the cell nucleus that could contribute to aging and even to diseases such as Parkinson's and Alzheimer's.
- Health & Medicine
Child-sized medicine
A new UNICEF campaign pursues youth-appropriate dosing of medicines.
- Health & Medicine
Easygoing, social people may get dementia less often
Don’t worry, be happy: People who are largely unstressed by mundane events seem less likely to develop dementia in old age than people who sweat the small stuff.
- Health & Medicine
Epigenetics reveals unexpected, and some identical, results
One study finds tissue-specific methylation signatures in the genome; another a similarity between identical twins in DNA’s chemical tagging.
- Health & Medicine
Neural paths for borderline personality disorder
A new brain-imaging study indicates that unusual neural activity linked to emotion, attention and conflict-resolution systems underlies a common psychiatric condition known as borderline personality disorder.
- 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.
