Does boiled coffee protect against type 2 diabetes?

[Northerner]

The risk of developing type 2 diabetes appears to decrease with increasing consumption of both boiled and filtered coffee, according to a study from the Norwegian Institute of Public Health. However, this does not mean that one should drink as much coffee as possible because high coffee consumption can cause other health problems.

http://www.healthcanal.com/metaboli...led-coffee-protect-against-type-diabetes.html