State Secretary Blokhuis: boys will also be vaccinated against HPV virus The vaccine against the HPV human papillomavirus virus will also become available for boys.
New data on greenhouse gas and ammonia emissions Greenhouse gas emissions have fallen slightly; ammonia emissions remain stable.
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.