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You only use Garlic to cook right? NOPE Garlic is great for mild pain relief when it come to certain type of irritant. The numbing effects on tooth ache can sustain you until you get something stronger off the dentist or get that cavity filled.
Also bites from flying insects which itch can be treated quickly with Garlic as well. It is well worth keeping Garlic in mind when you have been eaten by insects in mild climates.
If you want to test it JUST DO IT