"Both exposure&timing of parental death were related to the risk of cognitive impairment in late life&assoc. vary by gender.The detrimental effect of a father’s death was comparable for daughters&sons although exposure to a mother’s death had stronger effects on daughter’s than son’s risk of cognitive impairment.Father’s death at younger ages had the strongest effect on sons’ late-life risk of cognitive impairment, whereas mother’s death in middle adulthood had the strongest effect on daughters"



