Health & Medicine
- Life
Fountain of Youth, with caveats
A chemical in red wine thought to mimic the life-extending properties of calorie restriction improves health, but doesn’t necessarily lengthen life; it could also harm the brain.
- Chemistry
HIV knockout
Cutting a gene in immune cells could offer a new way to treat HIV infections.
- Health & Medicine
Surviving HIV
Since the development in the mid-1990s of a state-of-the-art drug cocktail for HIV, patient survival has extended dramatically, a new study shows.
- Health & Medicine
Journey to the center of the brain
New map of brain's anatomy reveals communication hub that corresponds to an area active when the mind wanders.
- Life
Losing sleep
A genetic source of mental retardation and autism may also disrupt sleep patterns.
- Health & Medicine
Vessel rescue
A blood pressure medication limits damage to the aorta in people with Marfan syndrome, possibly signaling a new therapy for the condition.
- Health & Medicine
Ch-ch-ch-changes
Epigenetic shifts continue throughout a person’s lifetime, and the overall pattern of these shifts appears similar within families.
- Health & Medicine
Heel test
A simple, inexpensive ultrasound test of the heel might reveal whether a person is at risk of osteoporosis and should get more extensive tests.
- Health & Medicine
Curative leaf
Compound in marijuana reduces inflammation without the psychological effects.
- Health & Medicine
Pain, numbness, pain
Some anesthetics not only cause a burning feeling when they're given, but can also increase the pain felt after surgery.
- Life
When cells go quiet
Connections between nerve cells may be lost when communication between the cells lapses.
- Health & Medicine
Breathe easy
When it comes to heart function, the concentration of pollution in the air may matter less than its chemical makeup.
