With almost half the people on Earth using them, cell phones are now part of the human experience. But does that open us up to dangers?

Experts have grown concerned about the health implications of the radiation that cell phones emit. Mehmet Oz, MD, host of The Dr. Oz Show, explains how to avoid those dangers.

Oprah Radio hosts Holly Robinson Peete and Rodney Peete talk with neurosurgeon Dr. Keith Black about minimizing the potential health hazards posed by cell phone use.

Do your friends yell at you for not having a cell phone? Jancee Dunn goes to the pros to solve your quandary.

Can your cell phone help you shed pounds and lose weight? New research says yes.