1. Cell phones change our bodies by changing our spine angle. Meaning if you are bent over looking down at your phone its just like having an 8 yr old child on your neck, which can be very damaging considering most people spend 4.7 hrs a day looking at their phones. Which has also caused Myopia (nearsightedness)

2. Cell phones change your brain from just playing a game. Once you win the game a burst of dopamine enters the brain making it feel rewarded. Creating an compulsion loop, which is the same behaviors associated with nicotine or cocaine. Brains are hard wired to seek novelty so phones are designed to make new contents like new apps so that it makes it hard to put the phone down causing No Mobile Phone (Nomophobia) fear of being without your phone.Is what 93% of people get because they use the phone to avoid boredom instead of doing normal activities like reading a book.

3.Smartphones disrupts sleep by the blue light that alters circadian rhythm diminishing the time spent sleeping,causing diabetes, obesity, and cancer. Decreasing melatonin a hormone that regulates sleep.