Social networks help keep in touch with distant friends and meet new ones. They make commuting on public transportation and waiting at the post office or supermarket checkout less tedious. They fill lazy evenings on the couch and days in bed with the flu. They help establish useful contacts for work. But they do not always improve the mood. In fact, they can make those who are lonely feel more lonely and those who are dissatisfied feel more frustrated. This is shown by a study
which warns: use social media sensibly, if you don’t times risk depression.
Can the smartphone make us fat?
Between apps to promote physical activity, monitor cardiopulmonary performance, weight and calorie intake, smartphones would seem to be great allies of physical fitness. Yet this is not always the case,
