The rise of Type 1 in children.

The incidence of Type 1 diabetes in children is now twice as high as it was in the 1980's.

Dan Hurley, a medical journalist who was diagnosed with Type 1 in 1975, has gathered evidence from published studies and investigative reporting and is writing a book seeking to uncover the mysterious rise and is using five leading hypotheses that may provide an explanation. The five are,

.....The accelerator hypothesis.
.....The sunshine hypothesis.
.....The hygiene hypothesis.
.....The cows milk hypothesis.
.....The persistent organic pollutants hypothesis.

This article explains more,

http://www.medicalnewstoday.com/articles/175322.php