Medical research

Breathless: How blood-oxygen levels regulate air intake

Researchers have unraveled the elusive process by which small, highly vascular clusters of sensory cells in the carotid arteries "taste the blood," as a 1926 essay put it—the initial step in regulating blood-oxygen levels.

Health

Folic acid may help elderly weather heat waves

Supplemental folic acid can enhance blood vessel dilation in older adults, according to Penn State researchers, suggesting that folic acid supplements may be an inexpensive alternative for helping older adults to increase ...

Health

Daily consumption of blueberries may lower blood pressure

With hypertension (HTN) affecting nearly 80 million people in the United States and cardiovascular disease (CVD) the leading cause of death, any intervention that can lower blood pressure has the potential to save lives. ...

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