The men were 18 years old when their heart rates were collected: at the onset of adulthood when criminal activity in men tends to be at or near its highest point. (health.com)
The years of early adulthood are a period of heightened social interaction, and the onset of adulthood will do little to change that. (sugardaddylot.com)
Extra-terrestrials provide a symbolic adversary, but — in keeping with the novelist's oeuvre — the onset of adulthood is the real culprit. (trespassmag.com)