I remember a few years ago there were some articles circulating that said your blood type could affect your ability to lose weight. I think that idea pretty much fizzled out.
Now, scientific research is showing a link between blood types and brain function.
The article was published in Scientific American, so it can be taken seriously.
Speaking of blood types, I found this informative graphic that lists which blood types can receive transfusions from other blood types.
You can read the article for yourself to find out about blood types and links to dementia, heart disease and other problems.
Here are some interesting risks related to blood types:
Link for the article at Salon.com