From Copenhagen - Taking vitamins on a daily basis may not help you live longer, and may even raise the risk of death. In a meta-analysis of 67 randomized clinical trials and data from over 200,000 subjects, taking vitamins did not have an overall positive effect on longevity. Vitamin A was shown to raise mortality by 16%, beta-carotene by 7% ...

From China - In a case that is concerning health authorities and public health officials around the world, a 52 year old man whose son died from the bird flu also has the condition. He is hospitalized with a high fever and is positive for the H5N1 strain. This may be the first instance of human-to-human transmission of the bird flu, but health ...

From South Carolina - Fitness may be more important than waist size in predicting how long you live. Researchers following over 2500 subjects noted that those who exercised regularly but were obese lived longer than those who had a normal BMI but didn't exercise regularly. The research shows that no matter what your BMI is, regular exercise ...

From New York - While over 62 million CT scans are done yearly in the US, there is some concern that the volume of studies being done, coupled with the radiation dose from the scans, may increase the risk of cancer. Researchers estimate that CT scanning accounts for 0.4% of cancers. However, given the dramatic rise in the use of CT scans, ...

From Boston - While cutting calories by 30 to 40% has been shown to increase longevity, Harvard researchers may have now found the reason why. Studying the livers of mice who had fasted for a few days, the researchers noted the activation of 2 genes, SIRT3 and SIRT4. These genes influence the mitochondria to become more efficient. The research ...

Dr. Laura Dugan, Departments of Medicine & Neurosciences at UCSD, discusses what we have learned about the aging process from lower organisms, and what is known to date about humans and calorie restriction. Targeted dietary approaches such as calorie restriction have the potential to contribute to a longer “health span” and to successful ...

Cross posted from advancednano.blogspot.com Scientists at Forsyth may have moved one step closer to regenerating human spinal cord tissue by artificially inducing a frog tadpole to re-grow its tail at a stage in its development when it is normally impossible. Past articles on regenerative medicine on advancednano Using a variety of methods ...