All Stories by Damaris Christensen
- Health & Medicine
Tracking signs of memory loss
A new imaging agent may allow researchers to detect the plaques characteristic of Alzheimer's disease before symptoms are present, when therapies may be most effective.
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Keeping Bugs from Pumping Drugs
Researchers hope that attacking the machinery some microbes use to pump antimicrobial agents out of their cells may help deal with the increasing problem of drug resistance.
- Health & Medicine
One more reason to worry
A single dose of the AIDS drug nevirapine, given to mothers to help prevent them from infecting their children during birth, may be enough to prod the virus to develop drug resistance.
- Health & Medicine
HIV may date back to the 1930s
Genetic analysis of the AIDS virus suggests it first infected humans in the first third of the 20th century.
- Health & Medicine
AIDS drugs may cause bone loss
Using X rays to measure bone density in HIV-infected men, researchers find a possible link between bone loss and long-term use of protease inhibitors.
- Health & Medicine
No worry that this secret will leak
The recently discovered protein angiopoietin-1 appears to protect blood vessels from leaking, a finding with implications for research into diseases that involve swelling, such as arthritis and asthma.
- Health & Medicine
Lung cancer gene has gender bias
The X chromosome's gastrin-releasing peptide receptor gene is turned on by nicotine to produce a protein that promotes lung cancer, a combination of factors that could explain why women are more susceptible to the disease than men are.
- Health & Medicine
Ulcer bug linked to stroke
Potent strains of an ulcer-causing bacterium may also trigger strokes.
- Health & Medicine
Breast-feeding has protective bonus
Breast-feeding appears to help ward off breast cancer.
- Health & Medicine
Gender differences in weight loss
Men and women gain weight differently and may lose it differently, too.
- Health & Medicine
Method could boost diabetes therapy
Allowing insulin-producing islets to grow in close contact with each other during cell culture may increase the chance of successful transplant into diabetic people.
- Health & Medicine
NO News
Preliminary research suggests that inhaled nitric oxide may offer a much-needed treatment for patients suffering from complications of sickle cell disease.
