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.
More people visiting STI clinics in 2012 with chlamydia and gonorrhea infections In 2012, the number of new consultations at Sexually Transmitted Infections (STI) clinics in the Netherlands increased by 7% over the previous year.
EC-definition of nanomaterial provides proper basis In recent years, an increasing number of applications and products containing or using nanomaterials have become available.