Health & Fitness

The prevalence of obesity around the world has tripled over the past 40 years, and, along with that rise, dieting and attempts to lose weight also have soared. But according to a new article, when it comes to getting healthy and reducing mortality risk, increasing physical activity and improving fitness appear to be superior to weight loss. The authors say that employing a weight-neutral approach to the treatment of obesity-related health conditions also reduces the health risks associated with yo-yo dieting.

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A small act of kindness can go a long way, especially say researchers, towards bolstering student health and wellness. A new study explores how the inclusion of a kindness assignment in an undergraduate course impacted student perceptions of themselves, their peers and their campus.

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Scientists have studied the effect of internet usage on cognitive function. Examining more than 2000 retirees from 10 European countries, researchers found that, on average, retirees who used the internet were able to recall 1.22 extra words in a recall test compared to non-internet users (which equates to performing around 8 per cent better in the tests). The effects were more significant in women, with female retirees who used the internet able to recall an additional 2.37 words, than peers who did not go online. Results also showed that retirees who used the internet were more likely to be male, were younger and better educated, and had been retired for less time. They were also found to be in better health - despite drinking and smoking more.

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Researchers have developed an augmented reality app for smartphones in order to help people reduce their fear of spiders. The app has already shown itself to be effective in a clinical trial, with subjects experiencing less fear of real spiders after completing just a few training units with the app at home.

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A study led by dermatologists suggests that a common inflammatory skin condition may stem from poorly regulated sex hormones. The finding could offer an unexpected new target to fight this condition.

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Being overweight or having obesity, weight that is higher than what is considered healthy for an individual's height, is a major risk factor for high blood pressure. A healthy diet, more physical activity and less sedentary time are recommended to reduce blood pressure for people who are overweight or have obesity; however, evidence of long-term weight loss and sustained blood pressure reductions from these lifestyle changes is limited. New weight-loss medications and bariatric surgery have shown benefits in both long-term weight loss and improved blood pressure, which can reduce the long-term, negative impact of high blood pressure on organ damage.

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After looking at a database of 850 patients diagnosed with lymphatic and bone marrow cancers between 1972 and 1980, researchers from the University of Tasmania and Britain‘s Bristol University found that living near high-voltage power lines might increase the risk of leukemia, lymphoma, and related conditions later in life.

People who lived within 328 yards of a power line up to the age of five were five times more likely to develop cancer. Those who lived within the same range to a power line at any point during their first 15 years were three times more likely to develop cancer as an adult.

Internal Medicine Journal September 2007; 37(9):614-9

Physorg.com August 24, 2007

 

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