addiction to mobile phone from early age could lead to poor academic performance, skiving of class, sleep disturbances and mental problems in more serious cases, a medical doctor in Kano State, Dr Tijjani Haruna, has said.
Haruna, who is working with the Mohammed Abdullahi Wase Specialist Hospital, Kano, told the News Agency of Nigeria (NAN) in Kano on Sunday that the trend could make users prone to obesity, lack of concentration and other diseases.
He said that schools and the family have an important role to play in checking the ugly trend by preventing children from using mobile phones from childhood, before they become addicted to it.
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http://www.foxreuter.com/2018/09/mobile-phone-addition-is-causing-mental.html?m=1

And codeine