In a lot. Also, phones affect eyesight, hearing and

In 1876 Alexander Graham Bell invented the very first telephone.Over the years the telephone and its technology has evolved throughout history.The telephone that was once invented has turned into smartphones.Everyday people use their smartphone to text, call, play games, etc. Phones are a distraction for most people. When people have their phones they tend to lose focus.      Reaction time is the amount of time it takes you to react to a stimulus.A stimulus is something that creates a reaction.For example when you fall and break a bone your first reaction would be to cry or to get angry. So how fast will you react.When you are having a cell phone conversation your brain can only focus on one stimuli.      Researchers have studied that phones affect your brain and can cause cancer and tumors. It is important to not be on your phone a lot. Also, phones affect eyesight, hearing and focus. Most people get too distracted with their phones and start to text, In 1876 Alexander Graham Bell invented the very first telephone.Over the years the telephone and its technology has evolved throughout history.The telephone that was once invented has turned into smartphones.Everyday people use their smartphone to text, call, play games, etc. Phones are a distraction for most people. When people have their phones they tend to lose focus.      Reaction time is the amount of time it takes you to react to a stimulus.A stimulus is something that creates a reaction.For example when you fall and break a bone your first reaction would be to cry or to get angry. So how fast will you react.When you are having a cell phone conversation your brain can only focus on one stimuli.      Researchers have studied that phones affect your brain and can cause cancer and tumors. It is important to not be on your phone a lot. Also, phones affect eyesight, hearing and focus. Most people get too distracted with their phones and start to text, etc.