similarly among current nonharmful drinkers in become nondrinkers in remain current nonharmful drinkers and are harmful drinkers the proportion of harmful drinkers varies by age in the age group in ages in ages in ages or above these findings suggest that young adults are more affected by harmful drinking behaviours compared to other age groups figure shows overall population rates in men and women figure shows trends in hed in men and women by age group the nhanes data show a clear increase in hed in the age group while nsduh data show a significantly milder or no increase weekly limit is drinks per week for women and for men