Insect Repellent

7 Summer Survival Tips

…ward off mosquitoes, along with my other summer survival tips so you can enjoy the season with ease. Summer Survival Tip #1: Repel Mosquitoes With Vitamin B1 To repel mosquitoes naturally, vitamin B1 (thiamine hydrochloride) may do the trick. In 1943, Dr. Ray Shannon from St. Paul, Minnesota,…

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