A community-based study of parental age at the birth of patients with dementia of the Alzheimer type
K. Urakami, Y. Adachi and K. Takahashi
Division of Neurology, Tottori University School of Medicine, Yonago, Japan.
The association of dementia of the Alzheimer type (DAT) with parental age
at the birth of patients who develop DAT was investigated in a
community-based study in Japan. Both maternal and paternal ages of patients
who have developed DAT are significantly higher than those in controls and
multi-infarct dementia. This study suggests that advanced age may become a
cause of chromosome abnormality, and advanced parental age at subjects'
birth may be a possible risk factor in DAT.
