ScienceDaily: Top Health News |
- Identical twins reveal mechanisms behind aging
- Early bone growth linked to bone density in later life
- Zap of cold plasma reduces harmful bacteria on raw chicken
- Alzheimer's disease may spread by 'jumping' from one brain region to another
- Genes linked to cancer could be easier to detect with liquid lasers
| Identical twins reveal mechanisms behind aging Posted: 02 Feb 2012 12:11 PM PST Researchers compared the DNA of identical twins at different ages. They showed that structural modifications of the DNA, where large or small DNA segments change direction, are duplicated or completely lost, are more common in older people. The results may in part explain why the immune system is impaired with age.  |
| Early bone growth linked to bone density in later life Posted: 02 Feb 2012 12:10 PM PST Researchers have shown that growth in early childhood can affect bone density in adult life, which could lead to an increased risk of developing bone diseases like Osteoporosis. The study is part of ongoing work in assessing the causes of common diseases at different stages of life from before conception through to old age, and the ways in which environmental influences affect gene expression to produce disease.  |
| Zap of cold plasma reduces harmful bacteria on raw chicken Posted: 02 Feb 2012 12:07 PM PST A new study demonstrates that plasma can be an effective method for killing pathogens on uncooked poultry.  |
| Alzheimer's disease may spread by 'jumping' from one brain region to another Posted: 01 Feb 2012 02:32 PM PST For decades, researchers have debated whether Alzheimer's disease starts independently in vulnerable brain regions at different times, or if it begins in one region and then spreads to neuroanatomically connected areas. A new study strongly supports the latter, demonstrating that abnormal tau protein, a key feature of the neurofibrillary tangles seen in the brains of those with Alzheimer's, propagates along linked brain circuits, "jumping" from neuron to neuron.  |
| Genes linked to cancer could be easier to detect with liquid lasers Posted: 31 Jan 2012 02:18 PM PST Using a liquid laser, researchers have developed a better way to detect the slight genetic mutations that might predispose a person to a particular type of cancer or other diseases.  |
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