ScienceDaily: Health & Medicine News |
- Air pollutants could boost potency of common airborne allergens
- Special microbes make anti-obesity molecule in the gut
- Opossum-based antidote to venom from snake bites could save thousands of lives
- Vitamin D may keep low-grade prostate cancer from becoming aggressive
- Regaining normal sexual functioning is 'rare' after prostate operations
- Total body iron balance: Liver MRI better than biopsy
- The dissemination of staph infections in hospitals
- Cancer therapy 'tumor sanctuaries' and the breeding ground of resistance
- Chromosome shattering may be a hidden cause of birth defects
- New strategy to protect healthy gut microbes from antibiotics
| Air pollutants could boost potency of common airborne allergens Posted: 22 Mar 2015 05:02 AM PDT A pair of air pollutants linked to climate change could also be major contributors to the unparalleled rise in the number of people sneezing, sniffling and wheezing during allergy season. The gases, nitrogen dioxide and ground-level ozone, appear to provoke chemical changes in certain airborne allergens that may increase their potency. That, in combination with changes in global climate could help explain why allergies are becoming more common. |
| Special microbes make anti-obesity molecule in the gut Posted: 22 Mar 2015 05:02 AM PDT Microbes may just be the next diet craze. Researchers have programmed bacteria to generate a molecule that, through normal metabolism, becomes a hunger-suppressing lipid. Mice that drank water laced with the programmed bacteria ate less, had lower body fat and staved off diabetes -- even when fed a high-fat diet -- offering a potential weight-loss strategy for humans. |
| Opossum-based antidote to venom from snake bites could save thousands of lives Posted: 22 Mar 2015 05:02 AM PDT Scientists have turned to the opossum to develop a promising new and inexpensive antidote for venomous snake bites. They predict it could save thousands of lives worldwide without the side effects of current treatments. |
| Vitamin D may keep low-grade prostate cancer from becoming aggressive Posted: 22 Mar 2015 05:01 AM PDT Taking vitamin D supplements could slow or even reverse the progression of less aggressive, or low-grade, prostate tumors without the need for surgery or radiation, scientists say. |
| Regaining normal sexual functioning is 'rare' after prostate operations Posted: 21 Mar 2015 04:55 PM PDT Regaining normal erectile function is rare after the most common prostate operation, radical prostatectomy, new research suggests. |
| Total body iron balance: Liver MRI better than biopsy Posted: 19 Mar 2015 12:06 PM PDT Investigators have demonstrated that MR imaging of the liver is more accurate than liver biopsy in determining total body iron balance in patients with sickle cell disease and other disorders requiring blood transfusion therapy. This discovery follows the researchers earlier work in pioneering techniques to use MRI to noninvasively measure liver iron. |
| The dissemination of staph infections in hospitals Posted: 19 Mar 2015 11:33 AM PDT Wireless sensors recording human interactions explain the transmission of germs, such as MRSA, in hospitals, according to new research. |
| Cancer therapy 'tumor sanctuaries' and the breeding ground of resistance Posted: 19 Mar 2015 11:33 AM PDT Tumors acquiring resistance is one of the major barriers to successful cancer therapy. Scientistst use mathematical models to characterize how important aspects of tumor microenvironment can impair the efficacy of targeted cancer therapies. |
| Chromosome shattering may be a hidden cause of birth defects Posted: 19 Mar 2015 09:40 AM PDT The human genome can be very forgiving. When children inherit chromosomes from their parents, some minor genetic changes frequently occur with few, if any, consequences. One exception, as researchers report, is chromosomal shattering, termed chromothripsis, which the authors found in healthy mothers who had each given birth to a severely affected child. The findings could have important implications for genetic testing and issues related to infertility. |
| New strategy to protect healthy gut microbes from antibiotics Posted: 19 Mar 2015 09:39 AM PDT Gut microbes promote human health by fighting off pathogens, but they also contribute to diseases such as diabetes and cancer. A new study reveals a potential strategy for tipping the balance in favor of good bacteria by altering the composition of the microbial community. |
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