Health & Medicine
- Health & Medicine
Germs in tobacco are potential source of respiratory infections blamed on smoking
Tests find hundreds of bacterial species in major cigarette brands.
By Janet Raloff - Health & Medicine
Chip of tooth tells radiation dose
A two-milligram dot of tooth enamel serves as a radiation dosimeter.
- Health & Medicine
Carotid procedures test about equally
Study finds similar stroke risks after surgery or stents.
By Nathan Seppa - Health & Medicine
U.S. women still have higher stroke incidence than men
Research suggests possible link to abdominal fat.
By Nathan Seppa - Health & Medicine
Compound might facilitate stroke recovery
Animal study finds regrowth of brain cells with natural protein fragment.
By Nathan Seppa - Health & Medicine
Coffee associated with lower stroke risk
Study finds java drinkers 71 percent as likely to have had stroke as nondrinkers.
By Nathan Seppa - Health & Medicine
Cooling stroke patients from the inside out
A treatment that induces hypothermia proves safe in an early test.
By Nathan Seppa - Health & Medicine
‘Ministrokes’ may cause more damage than thought
A common test given to patients after the passing attacks appears to miss some cognitive impairments.
By Nathan Seppa - Life
Inflaming dangers of a fat-laden meal
In overweight people, immune cells embedded in fat are sensitive to high levels of fat in the blood, triggering inflammation that can lead to heart disease and diabetes.
- Health & Medicine
Early disruption of schizophrenia gene causes problems later
New study may help scientists to understand the sequence of events that can lead to schizophrenia
- Health & Medicine
Older adults’ brains boosted by more, not better, sleep
A study finds that older adults perform better on a learning and memory task if they have slept more, while uninterrupted rest matters more for younger folks.
- Health & Medicine
Brain tells signs from pantomime
Different brain areas light up when deaf people use American Sign Language than when they gesture.