Neurological disorders such as multiple sclerosis and [Alzheimer’s](http://www.answers.com/topic/alzheimer-s-disease “Answers.com”) disease are becoming more common in the US, a large new analysis suggests.

The analysis estimated that nearly 1 out of every 1000 people in the US – around 266,000 people – suffers from [multiple sclerosis (MS)](http://www.answers.com/topic/multiple-sclerosis “Answers.com”). This figure is 50% higher than that estimated by a similarly large literature review published in 1982.

[Read](http://www.newscientist.com/channel/health/dn11052-marked-rise-in-ms-in-the-us-debated-by-scientists.html “Read the Story”)(New Scientist)