Posts Tagged ‘exposure’
Prenatal alcohol exposure can alter the brain’s developing pain regulatory system
Prenatal alcohol exposure is widely known to impair brain development in exposed offspring. Rodent studies have shown that developmental deficits in newborns related to altered levels of a brain chemical called serotonin, leading to subsequent alterations in patterns of neonatal acute pain responses and/or hypothalamic-pituitary-adrenal stress reactivity. New findings show a “blunted response” to an acutely painful event in alcohol-exposed human newborns, indicating that prenatal alcohol exposure may alter the brain’s developing pain regulatory system.
The Brain’s Developing Pain Regulatory System Can Be Altered By Prenatal Alcohol Exposure
Prenatal alcohol exposure is widely known to impair brain development in exposed offspring. Rodent studies have shown that developmental deficits in newborns related to altered levels of a brain chemical called serotonin (5-HT), leading to subsequent alterations in patterns of neonatal acute pain responses and/or hypothalamic-pituitary-adrenal (HPA) stress reactivity…
Risk Of Heart Disease Increased By Prenatal Exposure To Flu Pandemic
People exposed to a H1NI strain of influenza A while in utero were significantly more likely to have cardiovascular disease later in life, reveals a new study published in Journal of Developmental Origins of Health and Disease on Oct. 1. “Our point is that during pregnancy, even mild sickness from flu could affect development with longer consequences,” said senior author Caleb Finch, USC professor of gerontology and biological sciences.
Cognitive Performance Impacted By Genetic Risk, Not Anesthesia Exposure
A recent study of more than 2,000 identical twins found that medical problems early in life, rather than the neurotoxic effects of anesthesia, are likely linked to an individual’s risk for developing learning disabilities. The study’s findings, reported in the journal Twin Research and Human Genetics, contradict research published earlier this year, which concluded that receiving anesthesia younger than age four is associated with subsequent learning problems.
Could Older Population Have Enough Exposure To Past H1N1 Flu Strains To Avoid Infection?
A letter to the editor by Rhode Island Hospital infectious diseases specialist Leonard Mermel, DO, identifies characteristics of the outbreak of H1N1 in 1977 and speculates its impact on this pandemic. His letter is published in the June 20 edition of the journal the Lancet 2009 (vol 373 p2108-09). Mermel notes that in the late 1970s, an influenza H1N1 reappeared in humans. It had a pandemic-like spread that began in younger aged individuals.
Link Between Prenatal Exposure To Hong Kong Flu And Reduced Intelligence In Adulthood
The Hong Kong flu pandemic was responsible for more than 700,000 deaths worldwide in the late 1960s, with major disease outbreaks in Europe in the winter of 1969-1970. A number of studies have been conducted to determine if prenatal exposure to the influenza virus may result in mental disorders that affect a small portion of the population, but no studies have explored the possible effects of prenatal exposure on the mean intelligence in the general population.
Researchers Find Link Between Anesthesia Exposure And Learning Disabilities In Children
Mayo Clinic researchers have found that children who require multiple surgeries under anesthesia during their first three years of life are at higher risk of developing learning disabilities later. Several studies have suggested that anesthetic drugs may cause abnormalities in the brains of young animals. This is the first study in humans to suggest that exposure of children to anesthesia may have similar consequences.
1 In 4 Gulf War Veterans Suffer From Illness Caused By Toxic Exposure
At least one in four of the 697,000 U.S. veterans of the 1991 Gulf War suffer from Gulf War illness, a condition caused by exposure to toxic chemicals, including pesticides and a drug administered to protect troops against nerve gas, and no effective treatments have yet been found, a federal panel of scientific experts and veterans concludes in a landmark report released Monday.
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