When researchers combined data from the 168 young people in these four studies, they found no evidence that homeopathic treatments were of benefit for ADHD.
In the first of four studies, Cowles charted the weekly individual stock purchase recommendations of 16 established Wall Street firms from January 1928 to June 1932.
Four studies in recent years identified modest declines, but a new one that looks separately at Americans lacking a high school diploma found disturbingly sharp drops in life expectancy for whites in this group.
Compared with studies in many thousands of children and adolescents -- including studies lasting many years -- as of 2007, the effects of homeopathy for attention deficit hyperactivity disorder, or ADHD, had been studied with even minimal rigor in only four studies.
But despite being criticized in at least four distinct studies over the last six years and decertified in California and Ohio, the allegedly faulty machines haven't gone away.
How alcohol affects the cognition of a person with dementia isn't completely understood, but four new studies presented at the Alzheimer's Association International Conference shed a little more light on their relationship.
Four different studies done in the past decade using MRI (magnetic resonance imaging) all found a slight reduction in the size of four regions of the brain: the corpus callosum, the basal ganglia, the frontal lobes, and the cerebellar vermis.
Four US government studies released between 2001 and 2003 had reached similar conclusions.
"Marketing is getting more experimental, more aggressive and more direct, " says Andy Glaser, brand director at Heineken USA, who adds that the four annual tracking studies the company performs show that its U.S. Open sponsorship improves its recall with customers.
After buying the MG SA in 1966, Mr Vinycomb used the car to get around for four years during his studies.
BBC: Vintage MG SA bought for ?30 fetches ?60,000 at auction
Thus I found that it dismisses the 2009 paper Savitz co-authored as among "earlier, short-term studies, " even as it used two studies published four years before that in claiming they supported its position.
Results of studies combining three or four antiviral drugs at once were presented.
Far from protecting it, studies show that these four-legged, 50-tonne concrete monsters, piled upon one another along the beaches, actually hasten erosion.
Studies show more than four million people a year in the U.S. drive while intoxicated, but about half of the intoxicated drivers stopped by police escape detection, the NTSB report said.
Most come out with four A-levels, plus general studies and critical thinking.
Federal and independent studies have shown that removing four dams on the lower Snake River in Washington state is the best option for saving Snake River salmon.
Yet epidemiologic studies tell us that one in four persons will suffer from mental illness in their lifetime.
CNN: Opinion: Film offers 'silver lining' for mental illness
Animal studies have shown brain abnormalities persisting four years after amphetamine use stops.
During my recent law-school studies, I took advantage of four near-full-time internships.
The first four chemicals they tried fizzled out in early studies.
Does the school offer a specific four-year degree in entrepreneurship or entrepreneurial studies, or a concentration in entrepreneurship within the framework of an undergraduate business degree?
Official studies show it to be erratic in four out of every ten years.
In four of eight cases, they simply mischaracterize the studies they cite.
Suppose that investors have at last heeded the economists' advice, and are now willing to invest in equities for a more reasonable risk premium of, say, three percentage points (recent studies suggest a current figure of one to four percentage points).
WellPoint will pay for only four weeks of IV antibiotics, citing published peer-reviewed studies.
WellPoint (nyse: WLP - news - people ) will pay for only four weeks of IV antibiotics, citing published peer-reviewed studies.
Since its inception (2005) to date, four phases of the project have been completed, advancing in studies of the cultures of Central America, Mexico, Paraguay and Uruguay.
UNESCO: Programa Hidrol��gico Internacional: Water Culture Workshop
Kaylen Hendrick, a senior at Florida State University in Tallahassee majoring in environmental studies, is graduating in three years rather than four in order to keep costs and borrowing down.
The empirical case for this expansion the evidence that universal preschool "works, " as Mr. Obama put it rests on two academic studies, the Abecedarian and Perry projects, conducted four and five decades ago.
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