Showing posts with label exposure. Show all posts
Showing posts with label exposure. Show all posts
Wednesday, April 9, 2014
Exposure to cigarette smoke increase the risk of deafness in the fetus
Exposure to cigarette smoke increase the risk of deafness in the fetus - One more reason to avoid cigarettes and cigarette smoke during pregnancy. A study shows that fetal exposure to sour many cigarettes while in the womb higher risk of deafness as a teenager.
The results obtained after the researchers followed 1,000 children aged 12-15 years in 2005-2006 in the U.S. National Health Examination Survey. Approximately 16 percent of adolescents exposed to cigarette smoke exposure is known while still in the womb.
Research shows evidence that fetal exposure to cigarette smoke have a three times greater risk for experiencing deafness one ear or have bad hearing compared with the fetus that was never exposed to smoke. Even so the study could not show evidence of a causal relationship between smoking during pregnancy with hearing problems in infants.
"However, the increased risk tripled in adolescents exposed to secondhand smoke while still in the womb is certainly alarming," said lead researcher Dr. Michael Weitzman at NYU School of Medicine in New York City, as reported by U.S. News.
It is also approved by Dr. Martin Chavez of Maternal Fetal Medicine at Winthrop University Hospital, New York. According to Chavez, exposure to toxins on the fetus can provide long-term consequences. This study provides evidence that pregnant women should quit smoking or stay away from cigarette smoke.
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The results obtained after the researchers followed 1,000 children aged 12-15 years in 2005-2006 in the U.S. National Health Examination Survey. Approximately 16 percent of adolescents exposed to cigarette smoke exposure is known while still in the womb.
Research shows evidence that fetal exposure to cigarette smoke have a three times greater risk for experiencing deafness one ear or have bad hearing compared with the fetus that was never exposed to smoke. Even so the study could not show evidence of a causal relationship between smoking during pregnancy with hearing problems in infants.
"However, the increased risk tripled in adolescents exposed to secondhand smoke while still in the womb is certainly alarming," said lead researcher Dr. Michael Weitzman at NYU School of Medicine in New York City, as reported by U.S. News.
It is also approved by Dr. Martin Chavez of Maternal Fetal Medicine at Winthrop University Hospital, New York. According to Chavez, exposure to toxins on the fetus can provide long-term consequences. This study provides evidence that pregnant women should quit smoking or stay away from cigarette smoke.
Monday, February 3, 2014
Exposure to Secondhand Smoke Increases Risk for Prediabetes
Research due in an upcoming issue of the British Medical Journal found that smokers had a greater risk of developing glucose intolerance than people who never smoked. But another finding of the study is raising eyebrows - that people exposed to secondhand smoke also experienced an increased risk for the condition.The study, begun in 1985, followed 4,572 young men and women (age 18 to 30 at baseline) in four American cities for up to 15 years.
After adjusting for confounders (factors that could also influence development of glucose tolerance - age, sex, race, education, income, blood pressure, body mass index, triglycerides, and alcohol intake), researchers found, when compared to people who never smoked and had no passive smoke exposure:
- Current smokers (average 10 cigarettes/day) had a 65% greater risk of developing prediabetes.
- People who never smoked but were exposed to secondhand smoke (average 12.6 hours/week) had a 35% greater risk of developing prediabetes.
Prediabetes, also known as impaired glucose tolerance, was recorded when serum glucose ≥ 100 mg/dl and < 126 mg/dl. (Diabetes is diagnosed when fasting serum glucose ≥ 126 mg/dl.) Most people with prediabetes will develop full blown diabetes unless they make lifestyle changes.
Researchers said substances in cigarette smoke which are damaging to the pancreas may be present in higher concentrations in secondhand smoke, since passive smoke is produced under different temperatures and chemical conditions.
Some news summaries:
Secondhand Smoke Linked to Diabetes Risk
Passive Smoke Could Prompt Diabetes Precursor: Report
Smoking Linked to Glucose Intolerance in Young Adults
For the study abstract:
Active and passive smoking and development of glucose intolerance among young adults in a prospective cohort: CARDIA study
For the study (pdf):
Active and passive smoking and development of glucose intolerance among young adults in a prospective cohort: CARDIA study
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