SELECT: my profile - edit profile - basic information - birthday. You can only enter month and year so I expect it won't update your age until the end of this month.
go to help at bottom
try your account setting,,
Where in account settings? There is no option there I can see.
cant find it either,,,
just keep looking my find it,,
I have answered this (above).
E,P has changed a lot of things latley,,