At least 10% of childhood heart defects are tied to spontaneous genetic mutations, a study said.
The numbers are growing across racial and ethnic groups, except for Asian women, the study said.
There are also exaggerated doubts and fears about birth control pills, the study said.
The same study said that stolen iPods accounted for 4% of all robberies in Washington, D.
Customers end up throwing away as much as half of what they buy, the study said.
The study said midwife-led care was in general much more likely to lead to a natural birth.
However the Cruise Scotland study said dockside facilities and the tours on offer needed to be improved.
The OFT study said little action was needed in regards to the UK petrol and diesel market.
Moreover, sales promotions "frequently encourage customers to purchase excessive quantities, " which they don't eat, the study said.
The GPs in the study said they used placebos either because patients requested treatment or to reassure patients.
BBC: 'Most family doctors' have given a patient a placebo drug
Poor diet and lack of exercise caused 400, 000 deaths in 2000, 33% more than 1990, the study said.
But more of such tests should be done in people who have less severe symptoms, the study said.
"Frequent copying of signature whistles would ... render the identity information of the whistle unreliable, " the study said.
Reduced demand for Scottish exports in Europe has also contributed to the lack of movement, the study said.
The Justice study said that in 2011, about 70 percent of all homicides were committed with firearms, mainly handguns.
The study said the government's decision to make languages non-compulsory for pupils over 14 was having an adverse effect.
BBC: NEWS | UK | Education | Big fall in university languages
The study said people on low incomes tended to spend their money locally and so small businesses would suffer.
The last Pisa study appeared to show England's performance had worsened, the study said, while Timms suggested the opposite.
Instead, the study said the bar had been lowered in search of loot.
Now, those temperatures cover about 10% of the land area, the study said.
The authors of the study said their findings should be treated with caution.
"Mental arithmetic is a more complex and challenging task, which more than 20% of people struggle with, " the study said.
This included a large number of newly diagnosed patients, 13% of whom were found to be multi-drug-resistant, the study said.
WSJ: Tuberculosis Strain in Mumbai Doesn't Respond to Main Treatment
In-depth profiles of HIV-infected young people in Cambodia, Cote d'Ivoire and Latvia "intensely engaged participants, " the Family Health International study said.
Before the war started, from January 2002 to March 2003, about a half-dozen violent deaths were reported daily, the study said.
But there is a limited amount of evidence on the impact of migrants on the welfare system, the NIESR study said.
Previous research projects which have found declines in the number of new medicines focused on smaller periods of time, the study said.
Almost all respondents to Lantra's study said they had relevant qualifications and many described their field craft skills as "second to none".
The study said being "overweight was associated with significantly lower all-cause mortality".
But there has been only one randomized controlled trial studying the effectiveness of taking foods out of so-called elimination diets, Chafen's study said.
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