Almost four in 10 adult Americans are obese, according to the US Centers for Disease Control and Prevention. What's more alarming is that in the past two decades alone, in states such as Texas, the share of obesity among residents has tripled. If left unchecked, obesity can even lead to more serious problems including high blood pressure and deadly strokes.
New knowledge about biological processes related to the heart's electrical activity has been gained through a major genome science study. The research had the largest sample size ever of a project of this type.