Answer: the statement is already correct
That is true not gaining enough exercise or using tobacco or things like that are bad
Something that could cause someone to use social media may be the excitement of being in contact with different people around the world, or seeing funny memes, or videos, but cyber bullying can cause many to become depressed, people can be ruthless and bully one for their appearance, race, sexual orientation, religion, financial state, clothes, disabilities, etc.
I'm no expert at all so don't take my word but number one looks like it will make the most sense. Because it has the word reproductive system and yeah...
Answer: run faster everyday
