Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Lifestyle can prevent diabetes…maybe
Losing weight and exercising more can help ward off diabetes—but other research suggests that it's hard to get people to make such lifestyle changes.
- Health & Medicine
Singing the blues
After finding that people with diabetes are slightly more likely to have had an episode of depression in the past 11 years than similar people who have not developed diabetes, some researchers have made the controversial suggestion that depression may cause diabetes.
- Health & Medicine
Darn that diet, anyway
Seemingly healthful foods—such as broiled chicken and baked fish—can contain high concentrations of compounds that may damage the cardiovascular system, and eating these foods can raise the concentration of these so-called advanced glycation end products in a person's blood.
- Health & Medicine
The medicine isn’t going down
Only about a third of people diagnosed with type II diabetes are taking their medications often enough to keep their blood sugar concentrations under tight control.
- Health & Medicine
Curbing Cancer? Low-Fat Diet During Adolescence Cuts Hormones, Possibly Breast Cancer Risk
Cutting back on cheeseburgers and French fries could spare girls more than extra pounds. A low-fat diet also reduces young girls’ sex hormone concentrations, a new study finds. What’s more, researchers say, the adolescent drop in hormones that are known to spur breast cancer in adults might stave off the disease later in life. More […]
- Health & Medicine
Too Much of a Good Thing: Excess vitamin A may hike bone-fracture rate
Dietary studies suggest that people who consume large amounts of vitamin A in foods or multivitamins are more likely to suffer hip fractures than are people who ingest modest amounts.
- Health & Medicine
Do liver stem cells come from bone marrow?
Tests of liver tissue from people who've received liver or blood-marrow transplants show that stem cells in bone marrow can populate the liver as liver cells.
- Health & Medicine
Getting the Bugs Out of Blood
Researchers are developing methods for inactivating all sorts of pathogens that could be found in blood, including West Nile virus, an emerging infection recently brought to the United States from Africa.
- Humans
From the January 21, 1933, issue
SEVEN SLEEPERS CATACOMBS EXPLORED BY ARCHAEOLOGISTS One of the most venerable of Christian legends, running back through the middle ages into late antiquity, is that of the Seven Sleepers of Ephesus: seven youths who hid themselves from the persecution of a pagan Roman emperor and awoke 200 years later to find the empire Christian. Then, […]
- Health & Medicine
C-Minus—The Fallout of Parents’ Smoking
Children who live with smokers may need more oranges and other rich sources of vitamin C, a new study concludes. It finds that exposure to even a little secondhand smoke significantly depresses concentrations of this important vitamin. Oranges are usually the first food that most people think of when asked to name sources of vitamin […]
- Health & Medicine
Blood-Clot Surprise: Finding might explain a danger of Viagra
An amendment to the blood-clotting pathway might link Viagra to heart attacks in some users.
- Health & Medicine
Nifty Spittle: Compound in bat saliva may aid stroke patients
An anticlotting molecule in the saliva of vampire bats combats strokelike brain damage in mice.
