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Effects of Cell Phone Usage
Cell phones are used for a plethora of reasons including communicating with people around the world, searching the internet, conducting business, or social media. It is one of the most important inventions of the 20th century, although it comes with it's negative effects.

One of the main effects that scientists have been researching for years is the correlation between cell phones and cancer. Due to the radioactive waves produced by cell phones, it is found that people who talk on the phone for several hours a day are 50% more likely to develop brain cancer. This is due to the fact that every minute the human brain receives about 220 electromagnetic impulses, which are not necessarily harmful, but which definitely affect the brain in cases of prolonged impact.

Along with cancer risk, excessive phone usage can cause headaches, decreased attention, shortness of temper, sleep disorders and depression. Due to young teenagers having excessive phone usage there is a possibility of becoming addicted to the phone.These aspects cause psychological problems, as people start to feel uncomfortable in face-to-face communication.

Screen Time
Screen time is a term used for activities done in front of a screen, such as watching TV, working on a computer, or playing video games. Screen time is sedentary activity, meaning you are being physically inactive while sitting down. Screen Time can total up to seven or eight hours a day.

Unhealthy amounts of screen time can lead to obesity due to sitting and watching a screen instead of being physically active.

Apple screen time
Apple created Screen Time as an IOS tool that lets users block content, set time limits for certain apps, and set up scheduled "Downtime" when the phone can't be used. This feature monitors the way you use your device, informing you on everything from how long you've spent on certain app categories to specific apps. It will even tell you how many times you've picked up your iPhone in a given hour.

This feature was designed to keep you informed on the amount of screen time you are using on a daily basis. If you're worried about your app addiction, you can set yourself and you children daily or weekly limits to curve your usage.

Screen Time allows parents can access their child's Activity Report right from their own iOS devices to understand where their child spends their time and can manage and set App Limits for them.

Increased Screen Time
According to the market-research group Nielsen, adults spend over 11 hours per day interacting with media. That's up from 9 hours and 32 minutes just four years ago, and teens spend an average of 9 hours per day interacting with social media. The average screen time is five to seven hours which is a two and a half hour increase within the last decade. Due to the advancement of technology, screen time is gradually increasing and so are the effects on humans.