Navigation Links
Lead Exposure May Contribute to ADHD
Date:2/2/2010

Two studies report higher levels in kids with symptoms

TUESDAY, Feb. 2 (HealthDay News) -- Lead may play a role in the development of attention-deficit hyperactivity disorder (ADHD), new research suggests.

Genes are believed to account for as much as 70 percent of ADHD in children. Researchers trying to determine the cause of the other 30 percent of cases consider lead a prime suspect among possible environmental causes, according to the American Association of Psychological Science.

Lead, a neurotoxin, is present in trace amounts in such things as soil, drinking water, children's costume jewelry and imported candies. Nearly all children in the United States have measurable levels of lead in their bodies, the association reports.

In one of two recent studies examining the possible link between lead and ADHD, the researchers found that children with ADHD had slightly higher levels of lead in their blood than did children without ADHD. The second study showed an association between elevated levels of lead in children's blood and parent/teacher ratings of ADHD symptoms, including both hyperactivity and attention problems.

In both studies, the link between lead and ADHD was independent of the children's IQ, family income, race or whether their mothers had smoked during pregnancy.

The findings strongly suggest that lead may be a cause of ADHD, according to Joel Nigg, a psychological scientist at Oregon Health & Science University. He said that lead might disrupt brain activity in a way that leads to hyperactivity and attention problems.

The studies are published in the February issue of the journal Current Directions in Psychological Science.

More information

The U.S. National Institute of Mental Health has more about ADHD.



-- Robert Preidt



SOURCE: Association for Psychological Science, news release, Jan. 28, 2010


'/>"/>
Copyright©2010 ScoutNews,LLC.
All rights reserved

Related medicine news :

1. Acting Surgeon General Announces National Initiatives to Protect Children by Reducing Exposure to Secondhand Smoke
2. Penn School of Medicine receives $2.3 million to study biomarkers of cigarette smoke exposure
3. Teamsters Applaud Passage of Legislation to Protect Workers From Diacetyl Exposure
4. R rating might be unlikely to affect teens exposure to smoking in movies
5. Occupational exposures may be linked to death from autoimmune disease
6. Low Lead Exposures Can Hurt Kidneys
7. Exposure to sunlight may decrease risk of advanced breast cancer by half
8. Firing clay in unvented kilns may be a source of exposure to dioxins
9. VIDEO from Medialink and EcoQuest: New Technology Reduces Exposure to MRSA Staph
10. Fetal Exposure to Arsenic Affects Genes
11. Westaim reduces ABCP exposure
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/25/2016)... ... 2016 , ... Austin residents seeking Mohs surgery services, can now turn to ... Dr. Russell Peckham for medical and surgical dermatology. , Dr. Dorsey brings specialization to ... fellowship in Mohs Micrographic Surgery completed by Dr. Dorsey was under the direction of ...
(Date:6/25/2016)... ... June 25, 2016 , ... "With 30 hand-drawn hand ... project," said Christina Austin - CEO of Pixel Film Studios. , ProHand Cartoon’s ... within Final Cut Pro X . Simply select a ProHand generator and drag ...
(Date:6/25/2016)... ... June 25, 2016 , ... As a lifelong Southern Californian, Dr. ... his M.D from the David Geffen School of Medicine at UCLA. He trained in ... to complete his fellowship in hematology/oncology at the UCLA-Olive View-Cedars Sinai program where he ...
(Date:6/25/2016)... ... 2016 , ... On Friday, June 10, Van Mitchell, Secretary of the Maryland ... iHire in recognition of their exemplary accomplishments in worksite health promotion. , The Wellness ... & Wellness Symposium at the BWI Marriott in Linthicum Heights. iHire was one of ...
(Date:6/24/2016)... ... 24, 2016 , ... A recent article published June 14 on ... article goes on to state that individuals are now more comfortable seeking to undergo ... such as calf and cheek reduction. The Los Angeles area medical group, Beverly Hills ...
Breaking Medicine News(10 mins):
(Date:6/26/2016)... 2016 Jazz Pharmaceuticals plc (Nasdaq: ... Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended ("HSR"), ... Inc. ("Celator"; Nasdaq: CPXX ) expired effective ... As previously announced on May 31, 2016, ... agreement under which Jazz Pharmaceuticals has commenced a tender ...
(Date:6/26/2016)... 26, 2016 Story Highlights: ... models within the health care industry is causing providers ... , Deloitte offers a suite of solutions for ... impacting efficient cost optimization: labor resource analysis, revenue cycle ... facilitate better outcomes and better economics ...
(Date:6/24/2016)... 2016  Collagen Matrix, Inc., ("Collagen Matrix") the ... of collagen and mineral based medical devices for ... Bill Messer has joined the company as ... the growing portfolio of oral surgery, neurosurgery, orthopaedic ... joins the Collagen Matrix executive team as an ...
Breaking Medicine Technology: