Cambridge, Massachusetts - Red blood cells must be small and flexible enough to squeeze through the tiniest capillaries of the body, where they deliver oxygen to surrounding cells. In the late 1960s, scientists proposed that the minute dimensions of these capillaries, which are less than 4 micrometers in diameter, are responsible for defining the size and shape of red blood cells.

Ann Arbor, Michigan - If the United States responds to Zika the way it did to Ebola—and early indications are that in many ways it is—the country can expect missteps brought about by a lack of health care coordination and a lot of political finger pointing, according to an analysis by the University of Michigan.

Dallas, Texas - Pregnant women who experience persistent blood pressure elevations in the upper ranges of normal may be at high risk of developing metabolic syndrome and increased cardiovascular risk after giving birth, according to research published in the American Heart Association’s journal Hypertension.

Dallas, Texas - Patients who experience high cholesterol due to an inherited genetic disorder from one of their parents heterozygous familial hypercholesterolemia are much more likely than those with average cholesterol levels to have diseases caused by hardening of the arteries, including an accelerated onset of coronary heart disease by up to 30 years, according to new research in the American Heart Association journal Circulation.

Washington, DC - The U.S. Food and Drug Administration approved the Raindrop Near Vision Inlay, a device implanted in the cornea (the clear, front surface) of one eye to improve near vision in certain patients with presbyopia. It is the second FDA-approved implantable corneal device for correction of near vision in patients who have not had cataract surgery and the first implantable device that changes the shape of the cornea to achieve improved vision.