منابع مشابه
Ebola outbreak claims more than 60 lives.
Doctors are fighting to contain an outbreak of Ebola haemorrhagic fever in Guinea that has claimed more than 60 lives and is now being reported in the capital, 400 miles away. As of 27 March, the World Health Organization said that there had been 103 suspected and confirmed cases of the disease, including 66 deaths. WHO said it could not confirm all cases because of the rapidly changing situati...
متن کاملThe nine lives of ACAT inhibitors.
Atherosclerosis is the product of excessive lipid accumulation and inflammation in the artery wall. The lipid that tops every list of suspects is cholesterol, which is the primary lipid in low-density lipoproteins (LDL). Cholesterol exists either as a simple molecule or as cholesterol esters, in which the hydroxyl group is linked to a fatty acyl moiety. In cells, cholesterol esters are synthesi...
متن کاملAre Some Lives More Valuable?
A theoretical model of the ethical preferences of individuals is tested by conducting a choice experiment on safety-enhancing road investments. The relative value of a saved life is found to decrease with age, such that the present value of a saved year of life is almost independent of age at a pure rate of time preference of a few percent, and a saved car driver is valued 17-31% lower than a p...
متن کاملSenescence Is More Important in the Natural Lives of Long- Than Short-Lived Mammals
BACKGROUND Senescence has been widely detected among mammals, but its importance to fitness in wild populations remains controversial. According to evolutionary theories, senescence occurs at an age when selection is relatively weak, which in mammals can be predicted by adult survival rates. However, a recent analysis of senescence rates found more age-dependent mortalities in natural populatio...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature Reviews Genetics
سال: 2002
ISSN: 1471-0056,1471-0064
DOI: 10.1038/nrg787