Positive Effects
Using social media often can keep you connected to friends, family, and other people. Also, as it says in the definition for social media, you can share thoughts and information in a quick, accessible way to a wide group of people.
negative effects
Overusing social media can lead to loss of sleep, bad concentration, bullying, and many serious dangers to your health and well-being (i.e. low self-esteem, substance abuse, etc.)