The science bit
It's been suggested that excessive aluminium consumption promotes alzheimers.
Aluminium can be dissolved in acid.
Lemon juice is acid.
Stark lemon squeezers are made of aluminium.
(
enile,
Mon 1 Sep 2008, 18:26,
archived)
In the kitchen, vinegar is twice as effective at dissolving aluminium
but lemon juice will still do the job. And you can't squeeze a vinegar.
(
enile,
Mon 1 Sep 2008, 19:21,
archived)