New moves

Photo by Ray MarklinSchool of Medicine students learn belly dancing from instructor Penny Moskus as part of a week’s worth of events emphasizing a healthy life.

The impact of the diffusion of maize to the southwestern United States

An international group of anthropologists offers a new theory about the diffusion of maize to the Southwestern United States and the impact it had. Published in the Proceedings of the National Academy of Sciences, the study, co-authored by Gayle Fritz, Ph.D., professor of anthropology in Arts & Sciences, and colleagues, suggests that maize was passed from group to group of Southwestern hunter-gatherers. These people took advantage of improved moisture conditions by integrating a storable and potentially high-yielding crop into their broad-spectrum subsistence strategy.

HIV-related memory loss linked to Alzheimer’s protein

More than half of HIV patients experience memory problems and other cognitive impairments as they age, and doctors know little about the underlying causes. New research from the School of Medicine suggests HIV-related cognitive deficits share a common link with Alzheimer’s-related dementia: low levels of the protein amyloid beta in the spinal fluid.
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