Background Restless legs syndrome is a prevalent chronic neurological disorder with
potentially severe mental and physical health consequences. Clearer understanding of the …

… j . The set of alleles observed in the collection of populations as a whole is used as an estimate
of k j … and we define n ji = Σ h=1 k j n hji . The marginal distribution of n ji (conditional on n …

… , O base is a reference outgroup, and O j is the set of other outgroups (ancient DNA samples,
Onge, Karitiana, and Mbuti). The rank of the (i, j) matrix reflects the minimum number of …

Starch consumption is a prominent characteristic of agricultural societies and hunter-gatherers
in arid environments. In contrast, rainforest and circum-arctic hunter-gatherers and some …

A debate has recently arisen over the use of racial classification in medicine and biomedical
research. In particular, with the completion of a rough draft of the human genome, some …

Descriptions of human genetic variation given thirty years ago have held up well, considering
the substantial accrual of DNA sequence data in the interim. Most importantly, estimates of …

The genetic information for this work came from a very large collection of gene frequencies
for "classical" (non-DNA) polymorphisms of the world aborigines. The data were grouped in …

Over the past 500 years, North America has been the site of ongoing mixing of Native
Americans, European settlers, and Africans (brought largely by the trans-Atlantic slave trade), …

This article has been corrected. The original version (PDF) is appended to this article as a
Supplement . Acute kidney injury is a heterogeneous group of conditions characterized by a …

Although the causes of Parkinson's disease (PD) are thought to be primarily environmental,
recent studies suggest that a number of genes influence susceptibility. Using targeted case …