Health & Medicine
- Health & Medicine
Gum disease bacteria can promote cancer growth in mice
In mice, the oral bacteria F. nucleatum can travel to mammary tissue via the bloodstream, where it can damage healthy cells.
- Health & Medicine
Widespread use of HPV shots could mean fewer cervical cancer screenings
A modeling study of Norway, which has high HPV vaccination coverage and uniform cervical cancer screening, suggests fewer screens could be needed.
- Health & Medicine
Poor sleep may account for a large share of dementia cases
Researchers estimate that roughly 12 percent of U.S. dementia cases could be tied to insomnia.
- Health & Medicine
Tear gas and pepper spray can have lasting health effects
The chemicals are widely used for crowd control, but their long-term health risks are poorly understood.
- Neuroscience
A study hints positive thinking could strengthen vaccine immunity
Thinking positive increased a specific brain region's activity and might have heightened immune response after a shot.
- Health & Medicine
Genes may shape how long we live more than once thought
New research challenges the view that human life span depends mostly on lifestyle. Genes may account for half the factors that determine longevity.
- Health & Medicine
Artificial lungs kept a man alive until he could get a transplant
A new artificial lung system might keep people without lungs alive for weeks. Like real lungs, tubes and pumps oxygenate blood and maintain blood flow.
- Health & Medicine
What the new nutrition guidelines get wrong about fat
New U.S. dietary guidelines promote eating full-fat foods and meats. But experts say nuts and seed oils are better sources of the two crucial fats we need.
- Health & Medicine
The brain’s response to a heart attack may worsen recovery
In mice, blocking heart-to-brain signals improved healing after a heart attack, hinting at new targets for cardiac therapy.
- Health & Medicine
It masquerades as malignant. But this bone-covered tumor is benign
Scientists have described a novel, yet benign bone-covered growth's characteristics for doctors, so patients don't receive unnecessary chemotherapy.
- Health & Medicine
Color blindness hides a key warning sign of bladder cancer
A large U.S. health records study suggests that difficulty seeing blood in urine may put color-blind patients at higher risk.
- Health & Medicine
Botox could be used to fight snakebite
A study on rabbits dosed with viper venom suggests that botulinum toxin may alleviate some effects of snakebite, possibly by dampening inflammation.
