According to the book Teach Your Children Well, youths whose schedules are overly crammed “often show signs of stress, particularly physical signs like headaches and stomachaches. ” ​ — Bible principle: Philippians 1: 9, 10.
Menurut buku Teach Your Children Well, anak - anak yang jadwal kegiatannya terlalu padat ” sering menunjukkan gejala stres, khususnya gejala fisik seperti sakit kepala dan sakit perut ”. ​ — Prinsip Alkitab: Filipi 1: 9, 10.