Early in stem cell research, scientists believed that differentiated body cells could not be coaxed back to a stem-like state. This belief has been turned on its head, offering hope for more healthy aging.
Part of the task of looking our best involves paying attention to what we eat. And learning about food and nutrition is the first step to healthy eating.
Aging and death are part of life—or are they? Science is telling us that it may soon be possible to extend life indefinitely. But is that what we really want?
For many years we have heard that fats are bad for us. In recent years science has discovered that dietary fats are not all equal, nor are they all bad.