"Lean Gene" Ups Risk of Heart Disease and Diabetes, Study in Nature Genetics  
6/27/2011 6:53:00 AM

Genes that result in a slender figure have been linked to heart disease and type-two diabetes, conditions normally associated with being overweight. A study suggests variants of the IRS1 gene reduce fat under the skin, but not the more dangerous visceral fat around organs such as the heart and liver.