Health & Medicine
- Health & Medicine
Understanding Vitamin D Deficiency
Most adults don't get the recommended daily amount of vitamin D, and obesity may be a contributing factor.
By Janet Raloff - Health & Medicine
Neuron Savers: Gene therapy slows Alzheimer’s disease
Putting extra copies of the gene for a cellular growth factor into the brains of people with Alzheimer's disease appears to slow the degenerative condition.
By Nathan Seppa - Health & Medicine
Zinc boosts kids’ learning
Zinc fortification improved mental skills in children with normal healthy diets, suggesting that the recommended intake for this mineral may need to be raised.
By Janet Raloff - Health & Medicine
When the stomach gets low on acid
A study in mice shows that a shortage of stomach acid can lead to cancer, apparently as a result of bacterial overgrowth and inflammation.
By Nathan Seppa - Health & Medicine
Licorice ingredient ferrets out herpes
A compound in licorice homes in on lab-grown cells infected with a herpes virus and induces them to self-destruct.
By Nathan Seppa - Health & Medicine
Season Affects Cancer-Surgery Survival
Ample vitamin D at the time of lung-cancer surgery dramatically increases the odds that a patient will be alive and cancerfree 5 years later.
By Janet Raloff - Health & Medicine
Fast Start: Sex readily spreads HIV in infection’s first weeks
People with HIV are many times more infectious to their sexual partners in the weeks or months just after they acquire the virus than they are later on, a study in Uganda demonstrates conclusively.
By Ben Harder - Health & Medicine
Step up to denser bones
Step aerobics proved better than resistance exercises for building bone density.
By Janet Raloff - Health & Medicine
Company pulls pain drug from market
The Food and Drug Administration has asked Pfizer to stop selling its prescription pain medication valdecoxib (Bextra).
By Ben Harder - Health & Medicine
Is Chromium in Your Mineral Supplement?
As a new study on chromium illustrates, the value of a mineral supplement can depend greatly on which chemical form of the mineral a manufacturer uses.
By Janet Raloff - Health & Medicine
Messy Mix? Combined vaccine yields fewer antibodies
Some common childhood vaccines don't seem to work as well when administered with, or at the same time as, other vaccines.
By Nathan Seppa - Health & Medicine
Smelly garlic: A lung tonic?
Fresh garlic or its powdered equivalent might prevent a potentially lethal condition in which pulmonary blood pressure is selectively elevated.
By Janet Raloff