Neuroscience

Why the dreaming phase matters

Scientists have long wondered why almost all animals sleep, despite the disadvantages to survival of being unconscious. Now, researchers led by a team from the University of Tsukuba have found new evidence of brain refreshing ...

Health

Changing diets mean more Americans are anemic now

(HealthDay)—Growing numbers of Americans aren't getting enough iron in their diets most likely due to changes in farming practices and a shift away from red meat, researchers report.

Diseases, Conditions, Syndromes

New study may help explain low oxygen levels in COVID-19 patients

A new study published in the journal Stem Cell Reports by University of Alberta researchers is shedding light on why many COVID-19 patients, even those not in hospital, are suffering from hypoxia—a potentially dangerous ...

Neuroscience

Nerve cell protection free from side effects

The hormone erythropoietin (Epo) is a well-known doping substance that has a long history of abuse in endurance sports such as cycling. In addition to promoting red blood cell production (erythropoiesis), which improves the ...

Medical research

Pumping up red blood cell production

Red blood cells are the most plentiful cell type in our blood and play a vital role transporting oxygen around our body and waste carbon dioxide to the lungs. Injuries that cause significant blood loss prod the body to secrete ...

Cardiology

New research suggests not all trans fatty acids are bad for you

New evidence suggests that low levels of trans fatty acids (TFAs) may not be as harmful to human health as previously thought, even if industrially produced, and may even be beneficial if they occur naturally in foods such ...

Medical research

Estrogen promotes blood-forming stem cell function

Scientists have known for years that stem cells in male and female sexual organs are regulated differently by their respective hormones. In a surprising discovery, researchers at the Children's Medical Center Research Institute ...

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