How much time are you willing to spend without a smartphone? Will it be several hours in a row? You can safely spend no more than two to three hours a day on your phone. A longer period can lead to health problems, so you should take a break from gadgets from time to time. We tell you how to do it and when it's time for a complete "digital rehab" with our cards. Together with actor and TV presenter Sergey Druzhko and blogger Artur Babich, we understood what other dangers being stuck on the Internet can lead to.