If you go without water for too long, you can experience dehydration, which can cause lightheadedness, fatigue, low blood pressure, heart palpitations, and death. Most people can only survive about ...

While you may not have considered walking as a form of exercise, it can be good for your body and brain. A recent study published in October showed UK adults who managed to hit their daily step goals ...

Your photos are probably taking up a lot of valuable storage on your iPhone. Here's how to clean it up. Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is ...