Some entrepreneurs hope to add to the iPhone's more practical uses, enabling it to monitor health and prevent disease. Some companies are in the process of developing a new generation of iPhone accessories to help prevent heart disease, measure the temperature of food, and determine whether people are exercising to their fullest potential, the Minneapolis Star Tribune reports. "The advantage of something like an iPhone is it's becoming increasingly ubiquitous," said Steve Parente, a health finance professor at the Carlson School of Management at the University of Minnesota.
