Income limits and benefit amounts depend on the number of qualifying children (0, 1, 2, or 3+). A qualifying child for the EIC must be under 19 years old, or under 24 if a full-time student, or any age if disabled.he income limit depends on the number of âqualifying childrenâ and on whether the tax filer is married or unmarried. 1  The limit for families with no children is $14,590 ($20,020 if married);
Until the age around 25 your brain is not fully developed. The exact age varies person to person, but it's around 25
An interesting aspect of this topic is that the human brain isn't fully mature until at least the mid-20s. It may be even later, as relevant longitudinal studies are going on that keep pushing the age up as the cohort being studied is re-examined. The frontal cortex is the last major brain area to mature.