Many, including Mr. Yee, remain troubled by the abundance of violence and cite disputed studies that claim violent, Mature-rated games might make children more aggressive.
While many of those people have traditionally opted for soy milk over the years, disputed studies linking soy to reproductive disorders and breast cancer have pushed consumers into the almond milk market instead.
A variety of estimates of NAFTA's direct effect on American labour have been made with job losses running as high, according to one disputed study, as 110,000 a year between 1994 and 2000.But, as already noted, direct losses do not tell the whole story: changing the pattern of employment is after all one of the reasons for promoting trade.
That often cited and disputed study made famous by Malcolm Gladwell, it takes 10,000 hours to achieve mastery, is based on a study that covered those whose skills required repeated practice - surgeons, violinists, and athletes -- notes Rookie Smarts author Liz Wiseman.
Not surprisingly, however, the cell phone industry and others dispute the studies, contending that their use is no more dangerous than other distractions, like operating a tape deck or looking for a radio station.
Without dispute, chromosome studies are especially valuable for mosaic cases with multiple cell lines affecting the same overlapping region, rendering the calculation of mosaicism using log2 intensity values ineffective.
The direction of the Ca2+ modulation is also in dispute, some studies suggest an accelerating role of Ca2+, (Sankaranarayanan and Ryan, 2001; Wu et al., 2009) while others suggest that Ca2+ slows endocytosis (Balaji et al., 2008; von Gersdorff and Matthews, 1994; Sun et al., 2002; Sankaranarayanan and Ryan, 2000).
Most authorities regard mammograms as the best available tool for early cancer detection despite some widely reported -- and widely disputed -- studies suggesting that regular mammograms do not lower the risk of dying from cancer.
Though the evidence is still disputed, recent studies at the Harvard School of Public Health are among several that link higher mortality and poorer health with higher inequality.
Some practitioners who use acupuncture to treat cocaine addiction did not dispute the study's findings but said the technique was rarely used alone and was usually combined with other treatments.
