Endocrinology & Metabolism

Mice without a functional internal clock have inflexible breathing

New research suggests that the molecular clock, derived from time-keeping genes in our cells, enables us to modify how we breathe over the day. Researchers from Marquette University in Wisconsin determined that mice without ...

Cardiology

Diagnosing pulmonary hypertension through non-invasive methods

Pulmonary hypertension, or high blood pressure in the lungs, is a common complication of interstitial lung disease, an array of conditions that cause scarring of the lungs. Without treatment, it can be life-threatening. But ...

Endocrinology & Metabolism

How high altitude changes your body's metabolism

Compared to those of us who live at sea level, the 2 million people worldwide who live above 4,500 meters (or 14,764 feet) of elevation—about the height of Mount Rainier, Mount Whitney, and many Colorado and Alaska peaks—have ...

Medical research

'Spleen-on-a-chip' yields insight into sickle cell disease

Every day, billions of red blood cells pass through the spleen, an organ that is responsible for filtering out old or damaged blood cells. This task is made more difficult when the blood cells are misshapen, as they are in ...

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