The World Health Organization says hundreds of millions of people throughout the world are affected by mental,behavioral,neurological or substance use disorders.

VOA: special.2010.04.13

Domoic acid can also cause neurological disorders and death in animals that eat fish poisoned with the neurotoxin.

VOA: special.2011.03.15

The National Institute of Neurological Disorders and Stroke says many patients do well with no treatment at all.

VOA: special.2009.01.06

"And those kids have much more serious, much more severe neurological problems.

VOA: special.2010.05.26

Autism spectrum disorder is a complex neurological disorder that affects a person's ability to communicate and interact with others.

VOA: standard.2010.03.23

Dr Joel Saper, Founder of the Michigan Headache and Neurological Institute says using oxygen also helps to avoid overuse of other medications.

VOA: standard.2009.12.17

Over the past few decades,however, scientists have determined that even trace amounts of lead in children's bodies leads to long-term neurological and behavioral problems.

VOA: standard.2009.12.19

They allege that the company's drilling polluted their water with chemicals,metals and methane, the main constituent of natural gas, causing explosions as well as gastrointestinal and neurological illness.

VOA: standard.2010.01.02

She says this will be her next line of inquiry whether female hormones, such as estrogen, somehow protect young women from the neurological damage created by exposure to lead.

VOA: standard.2009.12.19