Health & Medicine
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Health & Medicine
Gene linked to aggressive prostate cancer
A gene that is more active in prostate cancer tumors from African-American men than in tumors from white men may help explain why prostate cancer is both more common and more aggressive in African Americans.
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Health & Medicine
Synthetic enzyme wards off side effects
A synthetic enzyme that lowers blood pressure and causes blood vessels to constrict shows promise for treating skin and kidney cancers that have spread throughout the body.
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Health & Medicine
Gene variant linked to early puberty
A highly active version of a gene for faster testosterone metabolism is also associated with early breast development—by the age of 9.5 years—in girls.
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Health & Medicine
A different GI link to colon cancers
As they head for the stomach from the mouth, the carbohydrates in vegetables, breads, fruits, and candy all begin breaking down into simple sugars. According to some studies, carbs with a low glycemic index (GI)–meaning that they are digested slowly–reduce a persons risk of heart disease and obesity through an as yet unidentified mechanism linked […]
By Janet Raloff -
Health & Medicine
Urine tests can foretell bladder cancers
U.S. and Chinese researchers find that two unconventional urine tests can often predict when a person is developing bladder cancer even before tumors appear.
By Nathan Seppa -
Health & Medicine
Blood Relatives
After decades of research, several companies are about to release the first line of artificial blood products.
By Linda Wang -
Health & Medicine
Breathing on the Edge
Researchers are exploring how both sea-level lowlanders and high-altitude natives cope with low oxygen levels.
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Health & Medicine
Chocolate-science news
Make no mistake: Chocolate is not a health food. Indeed, most portions are loaded with empty calories from sugar and saturated fats. Hershey Foods Corp. Several studies in recent years, however, have demonstrated that among sweets, chocolate may possess a few nutritional advantages over most calorie-rich alternatives. The latest of these good-news findings is a […]
By Janet Raloff -
Health & Medicine
Veggies prevent cancer through key protein
An international team of researchers has identified a protein that helps compounds in some vegetables prevent cancer.
By Linda Wang -
Health & Medicine
Study reveals male link to preeclampsia
Men who were born of mothers who had the pregnancy complication preeclampsia are roughly twice as likely to father a child through preeclamptic pregnancy than are men who were born of mothers who had a normal pregnancy.
By Nathan Seppa -
Health & Medicine
Fatty plaques are unstable in vessels
Fatty plaques that form on the inside of blood vessels are less stable and hence more prone to rupture than are hard, calcified plaques.
By Nathan Seppa -
Health & Medicine
Parkinson’s implants survive in brain
Human embryonic stem cells transplanted into the brains of people with Parkinson's disease survive and grow better in patients under 60 years of age than in older patients.
By Nathan Seppa