Essay on atypical childhood social behavior and phthalates, bpa 879 words 4 pages the article describes how endocrine disruptors can produce childhood social impairment and more specifically the effects of bisphenol a (bpa) and phthalates exposure during pregnancy produces autistic-like social behaviors in children. Summary bisphenol a (bpa) is widely used in food contact materials, toys, and other products several studies have indicated that effects observed at doses near human exposure levels may not be observed at higher doses. Bisphenol a (bpa) is the widely used chemical found in many plastics, food can linings, and even on us dollars and receipts known as an endocrine-disrupting chemical that mimics the hormone estrogen, bpa has been linked to numerous negative health effects in countless studies.
The new findings suggest that some effects of in utero bpa exposure, including ability to become pregnant and to maintain pregnancy to term, may be transgenerational the researchers exposed pregnant mice to bpa levels equivalent to those considered safe in people from gestation day 11 until they gave birth. The effects of the natural estrogen 17β-e 2 and environmental estrogens, including bpa, have been thoroughly investigated in mussel immune cells, the hemocytes, both in vitro, in short-term exposure experiments (0-60 minutes), and in vivo, in the hemocytes sampled from mussels exposed to bpa for longer periods of time (6-24 hours. Ntp supports first study of bpa levels in us factory workers by robin mackar a new study, supported by the national toxicology program (ntp), is the first to look at occupational exposure to bisphenol a (bpa) among manufacturing workers in the united states. Atypical childhood social behavior and phthalates, bpa essay - the article describes how endocrine disruptors can produce childhood social impairment and more specifically the effects of bisphenol a (bpa) and phthalates exposure during pregnancy produces autistic-like social behaviors in children.
Bpa is a widespread environmental chemical that has been shown to disrupt neurodevelopment in rodents and humans a hazard conclusion regarding the effects of early bpa exposure on hyperactivity in children can be reached jo has authored several papers on the health effects of bisphenol a and its alternatives. Bisphenol a (bpa) is a synthetic compound used in the production of many polycarbonate plastics and epoxy resins it is one of the most widely produced chemicals in the world today and is found in most canned goods, plastics, and even household dust exposure to bpa is almost universal: most people. With all the bpa exposure in an infant’s small body, serious side effects could occur originally it was thought that bpa has no effect on aquatic life however, after extensive research, it was proven that bpa has a similar affect on aquatic life as on humans. In 2008, the possible health risks of bisphenol a (bpa) -- a common chemical in plastic -- made headlines parents were alarmed, pediatricians flooded with questions, and stores quickly sold-out. “exposure to bpa at high doses is associated with estrogen-like effects” (antonia m) just in female’s animals results as dramatic as increased prostate gland volume and changes in mammary development (antonia m.
Estrogenic effects of several bpa analogs in the developing zebraﬁsh environmental bpa exposure can be harmful to humans and is associated with a wide range of eﬀects in humans, rodents, and wildlife indeed, bpa exposure is linked to numerous adverse receipt papers (becerra and odermatt, 2012 liao et al, 2012c. Bisphenol a (bpa), an endocrine-disrupting chemical (edc) , has been of great concern as a result of its adverse physiological effects and frequent detections in various environmental mediums. One study found that bps, an alternative used in ‘bpa-free’ bottles, had the same harmful effects on the body, including negative effects on estrogen and the thyroid hormone system even worse, the cocktail of these chemicals together is doing even more damage to the body. A new study has looked at the exposure levels of people who come into contact with high doses of bpa, and found that employees who directly handle the plasticizing chemical had urine levels of bpa.
In order to protect human health, we must use animal studies and correlational (epidemiological) studies of human populations to determine possible human health effects due to bpa exposure, particularly during development. Bpa environmental chronic exposure and biological effects a modified synthesis of the most relevant sources of bpa reported in literature has been shown in table 1 , with the range of concentrations in general environment, including water (river and sea), air and dust [ 5 . Bisphenol a (bpa) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics and epoxy resins where is bpa found polycarbonate plastics have many applications including use in some food and drink packaging, eg, water and infant bottles, compact discs, impact-resistant safety equipment, and. Within this discussion board posting there will be a description of bisphenol a, some possible detrimental effects of bpa, the position of the us food and drug administration (fda) regarding bpa, the position of the us department of health and human services (hhs) regarding minimizing an infant’s exposure to bpa, the position of the state. Professor kaplan 9/26/13 effects of bpa on memory bisphenol-a is a chemical that is found in food and beverage containers (nienstedt, 2013) many studies suggest that exposure to bisphenol-a (bpa) during early development may cause memory inadequacy later in life.
Biomonitoring data were in line with estimated internal exposure to total bpa from all sources bpa toxicity was evaluated by a weight of evidence approach “likely” adverse effects in animals on kidney and mammary gland underwent benchmark dose (bmdl 10 ) response modelling. Bisphenol a exposure has been tied to many adverse health effects in animal models and humans including: prostate cancer, breast cancer, obesity, diabetes, cardiovascular problems, some neurobehavioral effects, including anxiety, as well as reproductive effects. Heart function and blood pressure in mice exposed to bisphenol a, bpa, from birth though young adulthood are affected differently in males and females, with females at greater risk of damage from. There is no risk of health effects at typical consumer exposure levels to bpa, according to the fda further, the european food safety authority (efsa) conducted a comprehensive review of bpa and stated “it is not possible to conclude that bpa is an endocrine disruptor,” based on criteria set by the who (world health organization.
Bpa side effects & health issues share this page more than 200 lab animal tests to date strongly suggest that bpa exposure, even at very low doses, creates risks of dangerous developmental, neural and reproductive health effects in infants and children exposure to bpa, even at low and short-term doses, is linked to a staggering number of. Those who oppose the effects of low levels of bpa claim that the effects of bpa are often exaggerated they stress on the point that toxic effects of bpa occur only at very high levels of exposure (beveridge & diamond, 2009.
Effects that may result from bpa exposure has led to conflicting regulatory decisions regarding the safety of food containers, especially those intended for use by infants and children in the. 1 introduction bisphenol a (bpa, 2,2-bis(4-hydroxyphenyl) propane) is an industrial chemical, which has recently been the subject of debate due to its endocrine modulating activity and related health effects. Fetal exposure to bpa has been shown to alter and impair mammary gland development in mice, causing changes to lactation and increasing the risk of mammary cancer in adulthood until now, however.