The document lists 10 secret uses of lemons, including whitening fingernails by soaking them in lemon juice, getting rid of blackheads by applying lemon juice before bed, and relieving sore throats by holding a heated lemon over the throat. Other uses are keeping cut fruits and foods looking fresh by adding lemon juice, shining kitchen wares by rubbing them with lemon and salt, cleaning microwaves by boiling lemon juice and water in them, stopping dandruff by applying lemon juice to the hair, sanitizing garbage disposals by dropping half a lemon inside, freshening breath by swallowing lemon juice or using lemons studded with cloves in closets.