Young people who use screens before sleeping have more sleep problems Young people (13-18 years) who use light-emitting screens daily in the hour before going to sleep have more sleep problems.
Influenza-like Illness Incidence Is Not Reduced by Influenza Vaccination Influenza vaccination reduces the number of influenza virus infections but not the overall number of illness.
Less air pollution from traffic and industry but increased contribution from agriculture International air policy has shown good results in Europe: in the past 35 years the air has become cleaner. Nevertheless air pollution is still an important cause of premature death.