Tag Archives: centers for disease control and prevention

More kids have autism than thought: U.S. study

in.reuters.com

More kids have autism than thought: U.S. study

You may have heard the oft-quoted statistic that autism affects 1 in 150 US children. Turns out it’s more like 1 in 91 — and about 1 in 58 boys, according to new figures released Sunday.

That’s an estimated 673,000 US children — or approximately 1 percent of all U.S. kids, the researchers from the U.S. Centers for Disease Control and Prevention, Atlanta, and Harvard Medical School, Boston report in the journal Pediatrics.

Bob Wright, co-founder of the autism advocacy group Autism Speaks, told Reuters Health he’s not at all surprised by the new figures. “We’ve been screaming about the numbers going up; now there is a relatively complete recognition of it.”

“The statistical aspect of autism is just staggering,” he said, and not enough is being done about it. “If we had 1 in 58 boys getting swine flu, the country would be crazy,” Wright said.

Autism is a brain disorder characterized by problems with social interaction, repetitive behavior and other symptoms. People with a mild version called Asperger’s syndrome usually function relatively well in society, although they have problems relating to others. People with the most extreme symptoms may be unable to speak and may also suffer severe mental illness and retardation.

No one knows what causes autism — it’s generally thought to have genetic and environmental triggers — and there is currently no good treatment.

Autism is “an urgent public health concern,” Dr. Ileana Arias, deputy director of CDC, told reporters on a conference call Friday ahead of public release of the data.

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Tamiflu saves lives of severely ill flu patients

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Tamiflu saves lives of severely ill flu patients

Roche AG’s antiviral drug Tamiflu helped prevent deaths from seasonal flu in severely ill patients who had chronic underlying health problems, Chinese researchers said on Sunday.

A study of 760 older, severely ill patients in Hong Kong found that Roche and Gilead Sciences Inc’s drug Tamiflu cut the rate of death by 37 percent.

More than 60 percent of patients in the study had underlying chronic illnesses, and 78 percent had been hospitalized with complications from seasonal flu.

The study, done by researchers at the Chinese University of Hong Kong and presented at the Interscience Conference on Antimicrobial Agents and Chemotherapy in San Francisco, suggests the drug can help save the lives of seriously ill flu patients, Dr David Reddy, who leads Roche’s pandemic flu task force, said in a telephone briefing.

Known generically as oseltamivir, Tamiflu is one of two antiviral drugs that work well against H1N1 swine flu.

The study took place in two hospitals in Hong Kong between 2007 and 2008. About half the patients in the study got Tamiflu and half got no treatment. Death rates were about the same at both hospitals.

“In this study, Tamiflu improved the survival rate by reducing the rate of death by 37 percent in this high-risk group of patients with severe seasonal flu compared to no treatment,” Reddy said.

The U.S. Centers for Disease Control and Prevention is recommending that the very old and people with chronic medical conditions should be treated with antiviral drugs — either Tamiflu or GlaxoSmithKline and Biota’s Relenza — when they have flu-like symptoms.

Health officials caution against using either drug in otherwise healthy people who have moderate or mild flu symptoms, however, because of the fear of resistance. Influenza viruses very quickly change to put up a strong defense against antiviral drugs. Last year the seasonal H1N1 virus developed strong resistance to Tamiflu. Two older flu drugs, amantadine and rimantadine, now have very little effect against influenza viruses.

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Only 10 percent of U.S. adults have low heart risk

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Only 10 percent of U.S. adults have low heart risk

Ninety percent of American adults have at least one risk factor for heart disease, researchers reported on Monday.

Virtually all Americans either have high blood pressure, high cholesterol, high blood sugar, are overweight, smoke or exercise too little, the team led by the Centers for Disease Control and Prevention reported.

“Unfortunately, the limited strides that were made toward this goal during the 1970s and 1980s were eroded by the increases in excess weight, diabetes and hypertension during more recent decades,” the CDC’s Dr. Earl Ford, who led the study, said in a statement.

Ford’s team looked at four national studies covering tens of thousands of Americans aged 25 to 74.

Only 10 percent had low risk scores in all five categories, they reported in the journal Circulation.

“Until the early 90s, we were moving in a positive direction, but then it took a turn and we’re headed in a negative direction,” said Ford.

“When you look at the individual factors, tobacco use is still headed in the right direction and so are cholesterol levels, although that has leveled off. The problem is that blood pressure, BMI (body mass index, a measure of obesity) and diabetes are all headed in the wrong direction.”

Heart disease is the No. 1 killer in the United States and many other countries.

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