Tame tension headaches by rubbing peppermint oil, Tiger Balm, or white flower oil into your temples. All three remedies contain menthol, w...
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Sniff Rosemary
Sniff Rosemary According to some research, catching a whiff of this aromatic herb may increase alertness and improve memory. To stay sharp, try smelling fresh rosemary or inhaling the scent of rosemary essential oil before a test or meeting.