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US Radiation Exposure on the Rise and Other News of Note

Posted Oct 13 2009 10:04pm

US Radiation Dose Has Doubled (ScienceNews)

Collectively, Americans now receive more than twice as much radiation each year as in the 1980s. That’s according to a new tally by the National Council on Radiation Protection and Measurements.

* * *

A burgeoning population accounts for 30 percent of the increase, notes Ken Kase, who chaired the NCRP panel that prepared the report. The rest of the increase stems largely from an increase in medical procedures that rely on radiation — from conventional diagnostic X-rays and CT scans to radiotherapy for cancer… More

 

Household Chemicals May Show Up in Blood (WebMD)

Up to 48 toxic chemicals commonly used in everyday consumer products have shown up in blood and urine samples of five prominent women environmental activists, according to a study by the Environmental Working Group, a nonprofit organization devoted to protecting human health and the environment.

“Testing was primarily targeted toward products used in everyday consumer products that have escaped regulation under the Toxic Substances Control Act,” Anila Jacob, MD, MPH, a senior scientist with the organization, said at a news briefing.

The findings, according to Jacob and others from Environmental Working Group, offer more proof that the Toxic Substances Control Act is antiquated and needs a major overhaul to protect Americans from the adverse effects of chemicals found in everyday products… More

 

Inadequate Sleep Leads to Behavioral Problems, Study Finds (ScienceDaily)

A recent Finnish study suggests that children’s short sleep duration even without sleeping difficulties increases the risk for behavioral symptoms of ADHD.

* * *

“We were able to show that short sleep duration and sleeping difficulties are related to behavioral symptoms of ADHD, and we also showed that short sleep, per se, increases behavioral symptoms, regardless of the presence of sleeping difficulties”, says researcher Juulia Paavonen, MD, PhD… More

 

Gluten Intolerance Tied to Schizophrenia ( SF Examiner )

Findings from their latest research demonstrate that about 30% of people who suffer from schizophrenia cannot properly break down the proteins found in wheat, rye, and barley gluten. When these people eat gluten, they suffer from intestinal damage similar to that found in people with untreated celiac disease. Such patients “might also benefit from a gluten-free diet,” according to senior researcher and genetics reader, Dr Jun Wei.

According to the team’s research, gluten proteins might play a role in activating schizophrenia in people who carry genes for the disorder, or in aggravating the condition in those who already suffer from it.

These results support the growing view that schizophrenia and diabetes arise from a combination of genetic factors and environmental triggers; gluten being one such trigger… More

 

Majority of New Cases of Diabetes in Older US Adults Could Be Prevented by Following Modestly Healthier Lifestyles (ScienceDaily)

Researchers have found that a combination of five lifestyle factors could account for nine in 10 new cases of type 2 diabetes in men and women age 65 and older. The lifestyle factors that were examined included physical activity, diet, smoking habits, alcohol use, and amount of body fat (as determined by body mass index and waist circumference).

The findings highlight that diabetes really is a lifestyle disease and is largely preventable, said lead author Dariush Mozaffarian, assistant professor of epidemiology at HSPH and assistant professor of medicine in the Division of Cardiovascular Medicine, Brigham and Women’s Hospital and Harvard Medical School. Although previous studies had linked these lifestyle factors separately to diabetes or in sum to risk of diabetes in specific socioeconomic populations, this study quantifies the overall impact of several lifestyle factors associated with diabetes risk in a general population of older men and women… More


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US Radiation Dose Has Doubled (ScienceNews)

Collectively, Americans now receive more than twice as much radiation each year as in the 1980s. That’s according to a new tally by the National Council on Radiation Protection and Measurements.

* * *

A burgeoning population accounts for 30 percent of the increase, notes Ken Kase, who chaired the NCRP panel that prepared the report. The rest of the increase stems largely from an increase in medical procedures that rely on radiation — from conventional diagnostic X-rays and CT scans to radiotherapy for cancer… More

 

Household Chemicals May Show Up in Blood (WebMD)

Up to 48 toxic chemicals commonly used in everyday consumer products have shown up in blood and urine samples of five prominent women environmental activists, according to a study by the Environmental Working Group, a nonprofit organization devoted to protecting human health and the environment.

“Testing was primarily targeted toward products used in everyday consumer products that have escaped regulation under the Toxic Substances Control Act,” Anila Jacob, MD, MPH, a senior scientist with the organization, said at a news briefing.

The findings, according to Jacob and others from Environmental Working Group, offer more proof that the Toxic Substances Control Act is antiquated and needs a major overhaul to protect Americans from the adverse effects of chemicals found in everyday products… More

 

Inadequate Sleep Leads to Behavioral Problems, Study Finds (ScienceDaily)

A recent Finnish study suggests that children’s short sleep duration even without sleeping difficulties increases the risk for behavioral symptoms of ADHD.

* * *

“We were able to show that short sleep duration and sleeping difficulties are related to behavioral symptoms of ADHD, and we also showed that short sleep, per se, increases behavioral symptoms, regardless of the presence of sleeping difficulties”, says researcher Juulia Paavonen, MD, PhD… More

 

Gluten Intolerance Tied to Schizophrenia ( SF Examiner )

Findings from their latest research demonstrate that about 30% of people who suffer from schizophrenia cannot properly break down the proteins found in wheat, rye, and barley gluten. When these people eat gluten, they suffer from intestinal damage similar to that found in people with untreated celiac disease. Such patients “might also benefit from a gluten-free diet,” according to senior researcher and genetics reader, Dr Jun Wei.

According to the team’s research, gluten proteins might play a role in activating schizophrenia in people who carry genes for the disorder, or in aggravating the condition in those who already suffer from it.

These results support the growing view that schizophrenia and diabetes arise from a combination of genetic factors and environmental triggers; gluten being one such trigger… More

 

Majority of New Cases of Diabetes in Older US Adults Could Be Prevented by Following Modestly Healthier Lifestyles (ScienceDaily)

Researchers have found that a combination of five lifestyle factors could account for nine in 10 new cases of type 2 diabetes in men and women age 65 and older. The lifestyle factors that were examined included physical activity, diet, smoking habits, alcohol use, and amount of body fat (as determined by body mass index and waist circumference).

The findings highlight that diabetes really is a lifestyle disease and is largely preventable, said lead author Dariush Mozaffarian, assistant professor of epidemiology at HSPH and assistant professor of medicine in the Division of Cardiovascular Medicine, Brigham and Women’s Hospital and Harvard Medical School. Although previous studies had linked these lifestyle factors separately to diabetes or in sum to risk of diabetes in specific socioeconomic populations, this study quantifies the overall impact of several lifestyle factors associated with diabetes risk in a general population of older men and women… More


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