ScienceDaily: Top Health News |
- Oxidative DNA damage repair
- Childhood hypersensitivity linked to OCD
- Mutation in gene that's critical for human development linked to arrhythmia
- Children don't give words special power to categorize their world
- Elderly can be as fast as young in some brain tasks, study shows
- Sea snails help scientists explore a possible way to enhance memory
- Targeted blocking of cell death prevents fatal condition septic shock, study suggests
- Understanding left-handedness
- What are emotion expressions for?
- Religious beliefs battle hypertension, study of church attendance suggests
| Posted: 27 Dec 2011 12:37 PM PST Oxidative stress damages DNA. Researchers have now decoded the mechanism that repairs DNA damaged in this way. This repair mechanism could lead to less invasive approaches in cancer therapy and contribute to the development of new tests for the early diagnosis of cancer. |
| Childhood hypersensitivity linked to OCD Posted: 27 Dec 2011 11:25 AM PST Medical researchers have established a direct correlation between sensory processing and ritualistic behaviors in children. A new study suggests that when children experience heightened levels of sensitivity, they develop ritualistic behaviors to better cope with their environment -- one potential pathway to OCD. |
| Mutation in gene that's critical for human development linked to arrhythmia Posted: 27 Dec 2011 11:25 AM PST The biologic and genetic mechanisms controlling the formation and function of the cardiac conduction system (CCS) are not well understood, but new research with mice shows that altered function of a gene called Tbx3 interferes with the development of the CCS and causes lethal arrhythmias. |
| Children don't give words special power to categorize their world Posted: 27 Dec 2011 11:25 AM PST New research challenges the conventional thinking that young children use language just as adults do to help classify and understand objects in the world around them. In a new study involving 4- to 5-year-old children, researchers found that the labels adults use to classify items -- words like "dog" or "pencil" -- don't have the same ability to influence the thinking of children. |
| Elderly can be as fast as young in some brain tasks, study shows Posted: 27 Dec 2011 11:25 AM PST Both children and the elderly have slower response times when they have to make quick decisions in some settings. But recent research suggests that much of that slower response is a conscious choice to emphasize accuracy over speed. In fact, healthy older people can be trained to respond faster in some decision-making tasks without hurting their accuracy -- meaning their cognitive skills in this area aren't so different from younger adults. |
| Sea snails help scientists explore a possible way to enhance memory Posted: 27 Dec 2011 06:31 AM PST Efforts to help people with learning impairments are being aided by a species of sea snail. The mollusk, which is used by researchers to study the brain, has much in common with other species including humans. Neuroscientists have used this animal model to test an innovative learning strategy designed to help improve the brain's memory and the results were encouraging. |
| Targeted blocking of cell death prevents fatal condition septic shock, study suggests Posted: 27 Dec 2011 06:29 AM PST Researchers have discovered a new approach to preventing septic shock, an often fatal extreme inflammatory reaction of the body. It is the most frequent cause of death at intensive care departments in hospitals. Researchers have described how blocking a particular form of cell death (necroptosis) fully protects mice against this fatal inflammation. |
| Posted: 27 Dec 2011 06:29 AM PST Left-handedness is sometimes the expression of a genetic defect or an early developmental disturbance. |
| What are emotion expressions for? Posted: 23 Dec 2011 08:41 AM PST That cartoon scary face -- wide eyes, ready to run -- may have helped our primate ancestors survive in a dangerous wild, according to a new article. The authors present a way that fear and other facial expressions might have evolved and then come to signal a person's feelings to the people around him. |
| Religious beliefs battle hypertension, study of church attendance suggests Posted: 23 Dec 2011 08:40 AM PST Does a belief in God confer any health benefits? Researchers have found a clear relationship between time spent in church and lower blood pressure in both women and men. |
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