As radiologists, we use many types (modalities) of imaging technology to learn more about how the human body is working without having to resort to surgery. These include: X-rays, computed tomography (CT) scans, and positron emission tomography (PET) scans as well as ultrasound and magnetic resonance imaging (MRI) scans. Regarding this last modality, the idea of using magnets to look at electrically charged particles inside the human body was once ridiculed as crazy. Today, MRI is used in … [Read more...] about The Indomitable MRI: Achieving New Levels of Detail
Stephen V. Ward
Preventing and Treating Osteoporosis
We humans often take our bones for granted, but bones are actually living, growing tissue. Our bones are made up of connective tissue, one of the four basic types of human tissue. In addition to giving our bodies structure and protection, bones make red blood cells, which supply proteins and oxygen to tissues, and they make white blood cells, which help fight infection. Although human bones stop growing in our 20s, we replace and repair bone throughout our lifetimes. When bone replacement … [Read more...] about Preventing and Treating Osteoporosis
