While mobile phones are very beneficial, they also come to a lot of disadvantages. Firstly, they create a distance between people. As people spend time on their phones, they don't talk to each other much. People will sit in the same room and be busy on their phones instead of talking to each other. Subsequently, phones waste a lot of time. People get distracted by them easily and spend hours on their phones. They are becoming dumber while using smartphones. They do not do their work and focus on using phones. Most importantly, mobile phones are a cause of many ailments. When we use phones for a long time, our eyesight gets weaker. They cause strain on our brains. We also suffer from headaches, watery eyes, sleeplessness and more. Moreover, mobile phones have created a lack of privacy in people's lives. As all your information is stored on your phone and social media, anyone can access it easily. We become vulnerable to hackers. Also, mobile phones consume a lot of money. They are anyway expensive and to top it, we buy expensive gadgets to enhance our user experience. In short, we see how it is both a bane and a boon. It depends on us how we can use it to our advantage. We must limit our usage of mobile phones and not let it control us. As mobile phones are taking over our lives, we must know when to draw the line. After all, we are the owners and not the smartphone. This book is totally depend on how the mobile phone is very harmful for human life.