Uncategorized
-
Health & MedicineAntacids for asthma sufferers?
People with asthma have more acidic lungs than do people who don't have the disease, a finding that may prompt the development of novel asthma treatments aimed at restoring the normal pH value of the lungs.
-
19144
Why am I not surprised that the pH of lung moisture decreases during an asthma attack? Poor ventilation of the alveoli would retain carbon dioxide, which is carbonic acid in solution. Does the change in pH correspond to a buildup of carbonate or bicarbonate in the blood? Would it be a better measure of an […]
By Science News -
Health & MedicineTreating one disease caused another
Egypt's public health service inadvertently spread hepatitis C while treating patients for schistosomiasis, a common parasitic disease, with injections of antischistomal medications.
-
One-gene change makes mice neurotic
Researchers have engineered a strain of stressed-out mice by knocking out one gene.
By Susan Milius -
Good guys and bad guys share tactics
A microbial odd couple—the brucellosis pathogen and a nitrogen-fixer for plants—need the same gene to settle into their hosts long-term.
By Susan Milius -
Health & MedicineFrom rabies virus to anti-HIV vaccine
Researchers working with mice are trying to fashion an HIV vaccine by using a weakened rabies virus to bring an HIV glycoprotein to the attention of the immune system.
By Nathan Seppa -
AstronomyBlack holes and their galaxies: A closer link
Supermassive black holes and the galaxies they inhabit appear to grow up together.
By Ron Cowen -
Planetary ScienceRocks on the ice
Pristine fragments of a meteorite that fell January 18 in the frozen Yukon and that remained frozen until they were delivered to a NASA laboratory may reveal much about the earliest days of the solar system.
By Ron Cowen -
AnthropologyLucy on the ground with knuckles
Some early human ancestors appear to have walked on all fours using their knuckles, much as chimpanzees do.
By Bruce Bower -
AnthropologyGoat busters track domestication
People began to manage herds of wild goats at least 10,000 years ago in western Iran.
By Bruce Bower -
19143
Your article, regarding the glycemic index in relation to obesity and diabetes, is incomplete and misleading. Although potatoes do have a high glycemic index, systematic research on satiety shows that potatoes are one of the most satiating foods known to science. The effect persists until the next meal and beyond. This counterexample suggests that concern […]
By Science News -
Health & MedicineThe New GI Tracts
For preventing heart disease, diets that control insulin are all the buzz.
By Janet Raloff