Health

Duration of lactation associated with bone density

Maternal bone density decreases after childbirth, but only among women who lactate for at least four months. The lactation period is unrelated to vitamin D status. A PhD thesis at Sahlgrenska Academy has explored the issue.

Neuroscience

Neuron groups, not single cells, maintain brain stability

To compensate for erratic shifts and spikes in its neuronal communications, the brain relies on the stabilizing mechanism called "homeostasis"—the ability to maintain relatively stable equilibrium between different elements ...

Medical research

Young vessels rejuvenate aged insulin-producing beta cells

A recent study published in the journal PNAS shows that young capillary vessels rejuvenate aged pancreatic islets. The finding challenges prevailing views on the causes of age-dependent impaired glucose balance regulation, ...

Medical research

Proper stem cell function requires hydrogen sulfide

Stem cells in bone marrow need to produce hydrogen sulfide in order to properly multiply and form bone tissue, according to a new study from the Center for Craniofacial Molecular Biology at the Herman Ostrow School of Dentistry ...

Health

Research finds new exercise benefit

(Medical Xpress)—Researchers at the University of Virginia School of Medicine have identified an important new benefit of exercise: It increases the ability of skeletal muscle cells to remove damaged components and other ...

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