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  1. 2022年5月18日 · For decades, there’s been a debate about whether radiation from cell phones could raise your risk of cancer. Find out what the research says, and learn some safer ways to use your phone.

  2. Most teens -- 85% of those aged 14 to 17 -- have cell phones. So do 69% of 11-14 year olds and 31% of kids aged 8-10, according to a 2010 survey by the Kaiser Family Foundation. For your teen ...

  3. 2017年2月7日 · On average, kids are now getting their first devices at 10 years old. The peer pressure to get one can be overwhelming. Of course, you don’t need to give in -- parenting is all about setting ...

  4. 2024年2月13日 · That can put a real strain on your eyes. Eye problems caused by computer use fall under the heading computer vision syndrome (CVS). It isn’t one specific problem. Instead, it includes a whole ...

  5. WebMD's A to Z Drug Database provides information on prescription drugs, vitamins, and over-the-counter medications, including side effects and interactions.

  6. 2022年8月12日 · This sound, also called Hamman’s sign, tells your doctor that air is trapped in the space between your lungs (called the mediastinum). It’s a crunchy, scratchy sound, and it happens in time ...

  7. 2023年4月30日 · Access to the unconscious mind. ‌. Theta: 4-8 Hz. Theta binaural beats benefits include: Meditation. Deep relaxation. Creativity. Alpha: 8-14 Hz. When you are in an alpha state of mind, your ...

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