Cell Phones
------------------------------------------------- Cell phones Imagine being able to talk to someone that is across the world with a push of a button. Seems a little far-fetched? Well, there is such a device that allows you to do that. It is called the cell phone. Cell phones are devices that enable people to talk to others no matter how far away they are from each other. They can be on opposite sides of the planet and they still will be able to talk to each other. Many people nowadays use cell phones very frequently for many reasons. It may be for work or for just casual reasons. Someone can tell another person important information within just a few seconds, and they can be your neighbor, of they can be on the other side of the world. One can also make an appointment from miles and miles away by a simple call of text message. This is why cell phones are described as a technological marvel. Though they are very useful, many people are beginning to question the safety of these phones. Cell phones are very convenient, but they can also be very dangerous. They emit a type of radiation called radio frequency (RF) that has been shown to damage genetic material in blood cells, which can cause cancer. Radio frequency energy is a form of electromagnetic radiation. Electromagnetic radiation are categorized into two type: ionizing and non-ionizing. Ionizing radiation are found in x-rays, cosmic rays, and radon. Non-ionizing radiations are found in radio frequency and extremely low-frequency or power frequency. Ionizing radiation increase the risk of cancer of exposed to too much of it. A recent study showed that when people call for more than 50 minutes regularly, brain tissues on the side of the head that the phone is nearest metabolized more glucose than the tissues on the opposite side of the head. Cell phones do not only effect or head, but they can also affect our reproduction systems. Putting cell phones in front pockets of pants has been linked to poor