Expensive, clunky yet clinically invaluable, the positron emission tomography scanner is due for reinvention.
Lyme disease cases spike in the warmer months. Research on the disease is inching forward, as the number of reported infections reaches new heights.
What causes osteoarthritis? Not wear and tear, apparently, but bone lesions, misaligned joints and fat-cell-generated inflammation.
Human joints wear out, and often replacements do too. Now innovative designs are improving longevity and function.