Unattributable: too many sources.
Skip the bleach--add 1/4 to 1/2 cup of lemon juice to the wash cycle to brighter up those fading whites.
Relieve a sore throat. Cut a lemon in half. Skewer one half over a medium flame on a gas stove or an electric burner set on high and roast until the peel turns golden brown. Let cool slightly, then mix the juice with 1 teaspoon of honey. Swallow the mixture.
After shredding soft cheese or other sticky foods, go over both sides of the grater with the pulp side of a cut lemon to get rid of any residue.
To remove tough food stains from light wood and plastic cutting boards, slice a lemon in half, squeeze onto the soiled surface, rub, and let sit for 20 minutes before rinsing. The best part? You'll have a house that smells like a lemon grove rather than chemicals.