Volunteer Greg Ruegsegger is outfitted with monitors, a catheter threaded into a vein and a mask to capture his breath in an experiment run by Joyner to measure human performance.
Emily Blair, a medical assistant at the Colon, Stomach and Liver Center in Lansdowne, Va., takes a blood pressure reading for Robert Koenen. New guidelines say that patients should have their arm resting on a surface while taking a reading and both feet should be placed flat on the ground.
A study of chemotherapy medicines produced by 10 companies found that, on average, each drug produced seven times as much revenue for its manufacturer as it cost in research and development.
Arthritis is a joint disease that can cause cartilage destruction and erosion of the bone, as well as tendon inflammation and rupture. Affected areas are highlighted in red in this enhanced X-ray.
Philippe Sellem/Paul Demri/ Voisin/Science Source
A vaccine against heroin wouldn't be like the measles vaccine that you receive once for a lifetime of immunity, say scientists working on it. Multiple shots per year would likely be required, and it would be specific to just heroin and morphine.