40+ Year Olds Share 10 Habits That 20-Year-Olds Think Are Harmless, But Will Destroy Them in 20 Years Publicado el julio 29, 2026 por Categorías:20s, 40s, aging, dentist, exercise, habits, health, healthy, middle aged, old, teeth, young, young people «Not having a good daily routine, including good sleep. Not getting enough exercise and sunlight. Giving up on things that are hard too soon.»