Making some neurologists nervous is the fact that the study was performed in Russia, where Alzheimer's drugs aren't used as often as in the U.S. This or some other undiscovered patient population difference might tend to magnify the difference between drug and placebo, some neurologists say.
Interprovincial immigration was 100 times more likely, after adjusting for income difference and population sizes.
Rarely addressed in the context of climate change, future population trends could make the difference between success and failure in the long-term balance of human activities, atmosphere, and climate.
Research has already found a big difference between the bacteria population in the guts of fat and thin people.
Brenner also speaks and writes on the difference between individual and population risk.
The population control accounts for the big difference between the increase in employment of 117, 000 and the decline in unemployment of 622, 000.
But really, for 99% of the population this is a distinction without a difference.
By contrast, four-fifths of the difference in behaviour between the general population and children with psychopathic traits seems to lie in the genes.
Faced with increasing competition for a declining student population, a branded offering could make a huge difference.
There is, however, a 2%-a-year difference between the rise in the working population of America and the fall in Japan.
In retailing, location proximity makes a big difference and 70% of the American population lives within 10 miles of a Best Buy store.
Primary and preventative health care alternatives are often inadequate or inaccessible to a population where even an hour of missed income can mean the difference between food on the table or not.
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Despite that all the engineered salmon will be sterile females and that they will be farmed only far inland, he remains skeptical of assurances that there is virtually no possibility of escape and interaction with the wild population. (Not that it would make any difference if that did occur.) Why?
This unique tool will makes a tremendous difference for policy makers, academics, business people and the general population as to how they go about advising their respective constituents and make informed decisions.
That is a stunning difference, accounted for almost entirely by the dramatic ageing of the European population.
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Starting with children under one, by 2010, it aims to reduce by at least ten per cent the difference in infant mortality rates between manual groups and the rest of the population.
"We compared what you see in these galaxies with what you see in the field galaxy population, other galaxies at the same epoch and distance, and there is a stark difference - far more star formation and black hole growth, " the Cambridge University scientist and Royal Society research fellow explained to the BBC News website.
BBC: NEWS | Science/Nature | Deepest X-rays tell merger story
So in countries with a population of four to five million, like Lebanon or Jordan, a million refugees make a lot of difference in the daily lives of the other people.
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