Cell phones are a necessity for many of us. Each year, it seems like our phones play a more important role in our lives. But are they safe? From what we know now, yes, they're safe. But, more research is being done to make sure. Here's what we know.
Microwave ovens are a standard convenience in virtually every home. We use them regularly for meals and snacks. We use them to heat up lunches at work. We even use them to heat frozen foods at convenience stores. Are they safe? Yes, and here's some information on how they work.
Covers things you should know when deciding to take part in a clinical trial that may help find ways to prevent cancer. © National Cancer Institute
