منابع مشابه
Oxygen – less is better , more is better ? ?
Altitude training has been employed as a tool for enhancing performance by athletes since the 1964 Mexico Olympics. The cost and impracticality of going to altitude regularly has led to the development of altitude simulation at sea level by creating low oxygen (‘hypoxia’) environments. ‘Altitude’ or ‘hypoxic’ training facilities are now springing up all around the country. The evidence supporti...
متن کاملBromide interference: is less really better?
Increased serum bromide may result from the ingestion of various drugs and from environmental exposures. Chloride methods that are less susceptible to bromide interference have a clinical disadvantage in that they are less likely to arouse suspicion in cases of bromide toxicity. When there is a clinical suspicion of bromide toxicity, differences among various analyzers in the amount of interfer...
متن کاملPlant Breeding: Surprisingly, Less Sex Is Better
Introduction of apomixis, asexual reproduction through seeds, into crop species has the potential to dramatically transform plant breeding. A new study demonstrates that traits can be stably transferred between generations in newly produced apomictic lines, and heralds a breeding revolution needed to increase food production for the growing planet.
متن کاملComplex penetrating duodenal injuries: less is better.
BACKGROUND The traditional management of complex penetrating duodenal trauma (PDT) has been the use of elaborate temporizing and complex procedures such as the pyloric exclusion and duodenal diverticulization. We sought to determine whether a simplified surgical approach to the management of complex PDT injuries improves clinical outcome. METHODS A retrospective review of all consecutive PDT ...
متن کاملBetter Health, Less Spending
Cerebrovascular disease is a leading cause of disability in the United States and results in $20.6 billion in annual direct medical spending, with ≈700 000 ischemic strokes yearly. Despite advances in stroke prevention and treatment, deficits persist in healthcare value (defined as improved population health and patient experience at lower per-capita cost). Initiatives including the American He...
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ژورنال
عنوان ژورنال: Science
سال: 2001
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.294.5540.15c