Avoiding disease, maintaining physical and cognitive function, and continuing social engagement in late life are considered to be key factors associated with what some gerontologists call ...

On Friday they will present a paper showing that 15 percent of healthy Amish octogenarians have “haplogroup X,” a genetic pattern within the mitochondria, which are the regions of cells that ...

However, males harbor one X chromosome and one Y chromosome ... In 2002, the Y Chromosome Consortium (YCC) constructed a tree of 153 haplogroups based upon 243 unique genetic markers.

Purpose It has been hypothesised that certain mitochondrial haplogroups, which are defined by the presence of a characteristic cluster of tightly linked mitochondrial DNA polymorphisms, would be ...

One such research abstract of interest on these topics titled, "Mitochondrial Haplogroup X is Associated with Successful Aging in the Amish," will be featured in a platform session that will take ...