Thursday, October 23, 2008

Asthma bronchitis

Article source Link, Article source Link,

Centers for Disease Control and Prevention.
Eight types of foods account for 90 percent of all food allergies -- milk, eggs, peanuts, tree nuts, fish, shellfish, soy, and wheat. Allergic reactions to these foods can range from a tingling sensation around the mouth and lips, to hives and even death, depending on the severity of the reaction, the report's authors said.
The report also said that children with food allergies are two to four times more likely to have asthma or other allergies, compared to children without food allergies.
It's not really known how a person develops a food allergy. They are more common in children than adults, and the majority of children with food allergies will 'outgrow' them as they get older. But for some, a food allergy can become a lifelong concern, the report said.
Other highlights in the report:
Rates of food allergy were similar for boys and girls -- 3.8 percent for boys and 4.1 percent for girls.Approximately 4.7 percent of children younger than 5 years of age had a reported food allergy, compared to 3.7 percent of children and teens aged 5 to 17 years. Hispanic children had lower rates of reported food allergy (3.1 percent) than non-Hispanic white (4.1 percent) or non-Hispanic black children (4 percent.) In 2007, 29 percent of children with food allergies also had reported asthma, compared to 12 percent of children without food allergy



In 2007, about 3 million U.S. children and teenagers under the age of 18, or nearly 4 percent of that age group, reported a food or digestive allergy in the previous 12 months, up from a little more than 2.3 million or 3.3 percent in 1997, the CDC said.
Between 2004 and 2006, 9,537 children were hospitalized for food allergies per year, up from 2,615 between 1998 and 2000.
Eight types of foods account for 90 percent of all food allergies: milk, eggs, peanuts, tree nuts, fish, shellfish, soy and wheat, the agency said. Symptoms can include a tingling sensation around the mouth and lips, hives and even, in severe cases, death.
Children with food allergies are two to four times more likely to have other related conditions, such as asthma and other allergies, the agency said. Boys and girls are about equally likely to have food allergies.
Previous smaller studies in the United States and elsewhere have suggested that food allergies are increasing, but the new numbers come from the first national estimate. They were drawn from the National Health Interview Survey, a door-to-door survey of households of about 9,500 children, and the National Hospital Discharge Survey, which samples about 270,00 hospital records at bout 500 hospitals.
Because the cases were reported by parents, it remains unclear whether it's a true increase or parents are more aware of allergies and so reporting them more.
If it is really increasing, the cause remains unclear, although there are many theories



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