epidemiology

NEWS via Newsweek: The Geography of Autism

March 15, 2014 // 0 Comments

The Geography of Autism By Rob Verger Filed: 3/14/14 at 2:56 PM  | Updated: 3/14/14 at 4:09 PM A new study hints at why autism clusters, but experts caution seeking an easy solutionEnrique De La Osa/Reuters Filed Under: Tech & Science, autism, Science, Studie Researchers have long know that autism is found in clusters. Certain communities and states have rates much higher than the rest of the country — a child born in California is several times more likely to be diagnosed with autism than a child in Alabama, for example. But the question why remains unanswered. The geographical nature of the disorder seems to imply some sort of local, environmental cause. And a new study suggests just that: it found a strong correlation between autism rates and male reproductive system malformations, which can be caused by environmental toxins. There is a complex array of factors that can influence autism rates, though: they seem to be affected by issues as diverse as income level, [...]

NEWS via HeritageDaily: 17th- and 18th-century risk of disease through Migration

March 5, 2014 // 0 Comments

17th- and 18th-century risk of disease through Migration HERITAGE March 3, 2014 – No comments The fate of migrants moving to cities in 17th- and 18th-century England demonstrates how a single pathogen could dramatically alter the risks associated with migration and migratory patterns today. Cities have always been a magnet to migrants. In 2010, a tipping point was reached for the first time when, according to the World Health Organization, the majority of the world’s population lived in cities. By 2050, seven out of 10 people will have been born in – or migrated to – a city. One hundred years ago, that figure was two out of 10. Today, cities are generally the safest places to live. If you live in one, you’re likely to be richer than someone living in a rural environment. If you’re richer, you’re likely to live longer. If you live in a city, you have better access to hospitals and healthcare, and you’re more likely to be immunised. But that was not always the [...]
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