ืœืคื ื™ ืืœืคื™ ืฉื ื™ื — ืœืคื ื™ ืงื˜ื•ืจืช, ืฆืœื™ืœื™ ื’ื•ื ื’ ื•ื—ืจื•ื–ื™ ืžืืœื” — ืื ืฉื™ื ืขืฉื• ืžื“ื™ื˜ืฆื™ื” ื›ื“ื™ ืœื”ืื˜ ืืช ื”ืžื—ืฉื‘ื•ืช ื•ืœื”ืชืจื›ื–. ื›ื™ื•ื ืื ืฉื™ื ื‘ื›ืœ ืจื—ื‘ื™ ื”ืขื•ืœื ืขื•ืฉื™ื ืžื“ื™ื˜ืฆื™ื”. ืžืžื” ื ื•ื‘ืขืช ื”ื”ืชืขื ื™ื™ื ื•ืช ื‘ืžื“ื™ื˜ืฆื™ื”? ืžื“ื™ื˜ืฆื™ื” ื™ื›ื•ืœื” ืœื—ื•ืœืœ ืžื”ืคื›ื” ื•ืœื”ื•ืขื™ืœ ืœื’ื•ืฃ, ืœื ืคืฉ ื•ืœืจื•ื—. ื›ืคื™ ืฉืžืกื‘ื™ืจ ื“ื™ืคืืง ืฆ'ื•ืคืจื”, "ื–ื• ื“ืจืš ืœื”ื™ื›ื ืก ืœืฉืงื˜ ืฉื›ื‘ืจ ืงื™ื™ื — ืงื‘ื•ืจ ืžืชื—ืช 50,000 ื”ืžื—ืฉื‘ื•ืช ืฉืขื•ื‘ืจื•ืช ื‘ืจืืฉื• ืฉืœ ื”ืื“ื ื”ืžืžื•ืฆืข ืžื“ื™ ื™ื•ื." ืœื”ืœืŸ ืžืกืคืจ ื“ืจื›ื™ื ื‘ื”ืŸ ืžื“ื™ื˜ืฆื™ื” ื™ื›ื•ืœื” ืœืฉืคืจ ืืช ื”ื‘ืจื™ืื•ืช.

ื”ืคื—ืชืช ื—ืจื“ื”, ืกื˜ืจืก ื•ื“ื™ื›ืื•ืŸ

ืกื˜ืจืก (ื”ืชื’ื•ื‘ื” ืœืื™ื•ื), ื—ืจื“ื” (ื“ืื’ื” ืžืคื ื™ ื”ืขืชื™ื“) ื•ื“ื™ื›ืื•ืŸ (ื—ืจื˜ื•ืช ืขืœ ื”ืขื‘ืจ) ืคื•ื’ืขื™ื ื‘ื‘ืจื™ืื•ืช ื•ื‘ืื•ืฉืจ. ืื ืœื ืžื˜ืคืœื™ื ื‘ื”ื, ื”ื ืžื’ื‘ื™ืจื™ื ืืช ื”ืกื™ื›ื•ืŸ ืœื‘ืขื™ื•ืช ื’ื•ืคื ื™ื•ืช, ื›ื•ืœืœ ื›ืื‘ื™ ืจืืฉ, ืžื—ืœื•ืช ืœื‘, ืกื•ื›ืจืช, ื”ืฉืžื ืช ื™ืชืจ, ืคืจื™ื—ื” ื‘ืขื•ืจ ื•ื ื“ื•ื“ื™ ืฉื™ื ื”.

ืžื“ื™ื˜ืฆื™ื”, ื‘ืคืจื˜ ืžื“ื™ื˜ืฆื™ื” ืฉืœ ืžื•ื“ืขื•ืช ืงืฉื•ื‘ื” ืื• ื”ืชื‘ื•ื ื ื•ืช ืคื ื™ืžื” (ืฉื›ืจื•ื›ื” ื‘ื™ืฉื™ื‘ื” ื‘ืชื ื•ื—ื” ื ื•ื—ื” ื•ื”ืชืžืงื“ื•ืช ื‘ื ืฉื™ืžื” ื•ื‘ื”ื•ื•ื”), ืžืฉืคืจืช ืืช ื‘ืจื™ืื•ืช ื”ื ืคืฉ ื›ื™ ื”ื™ื ืžืœืžื“ืช ืœื”ืจื’ื™ืข ืืช ื”ื ืคืฉ ื•ืœื”ื™ืคื˜ืจ ืžืžื—ืฉื‘ื•ืช ืžื“ืื™ื’ื•ืช ื•ืžืœื—ื™ืฆื•ืช. ืœืื•ืจืš ื–ืžืŸ, ืžื“ื™ื˜ืฆื™ื” ืžืฉื ื” ืืช ืžื‘ื ื” ื”ืžื•ื— (ืชื•ืคืขื” ื”ืžื›ื•ื ื” ื ื•ื™ืจื•ืคืœืกื˜ื™ื•ืช) ื•ืžื’ื“ื™ืœื” ืืช ื”ืจื™ื›ื•ื–, ื”ืฉืœื•ื•ื” ื•ื”ื™ืฆืจื ื•ืช, ืืคื™ืœื• ื›ืฉืืชื ืžืชืžื•ื“ื“ื™ื ืขื ืืชื’ืจื™ื ื•ืื™-ืฉืงื˜.

ืžื—ืงืจ ืฉืคื•ืจืกื ื‘ื›ืชื‘ ื”ืขืช Psychiatry Research ื’ื™ืœื” ื›ื™ ืžื˜ื•ืคืœื™ื ืขื ื”ืคืจืขืช ื—ืจื“ื” ืฉืขืฉื• ืžื“ื™ื˜ืฆื™ื” ืขื ืžื•ื“ืขื•ืช ืงืฉื•ื‘ื” ื”ื“ื’ื™ืžื• ื™ืจื™ื“ื” ื‘ืจืžื•ืช ืฉืœ ื”ื•ืจืžื•ื ื™ ืกื˜ืจืก ื•ื‘ืชื’ื•ื‘ื” ื“ืœืงืชื™ืช ืœืžืฆื‘ ืžืœื—ื™ืฅ. ืžื—ืงืจ ื‘ืงืจื‘ ื ืฉื™ื ืฉื”ื—ืœื™ืžื• ืžืกืจื˜ืŸ ื”ืฉื“ ื”ืจืื” ื›ื™ ืœืžื™ื“ื” ืฉืœ ืฉื™ื˜ื•ืช ืžื•ื“ืขื•ืช ืงืฉื•ื‘ื” ืžืฉืคืจืช ืืช ืชืกืžื™ื ื™ ื”ืกื˜ืจืก ื•ืืช ืื™ื›ื•ืช ื”ื—ื™ื™ื.

ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื’ื ื‘ืชื•ืกืคื™ื ื•ื‘ืฉืžื ื™ื ืืชืจื™ื™ื ืžืกื•ื™ืžื™ื ื›ื“ื™ ืœื”ืงืœ ืขืœ ืกื˜ืจืก, ื—ืจื“ื” ื•ื“ื™ื›ืื•ืŸ. ื‘ื™ืŸ ื”ื‘ื—ื™ืจื•ืช ื”ื˜ื•ื‘ื•ืช: ืคืจืข (ื ืจืฉื ื‘ื’ืจืžื ื™ื” ืœื˜ื™ืคื•ืœ ื‘ื“ื™ื›ืื•ืŸ ืžืชื•ืŸ), ืฉื•ืจืฉ ื•ืœืจื™ืืŸ ื•-L-ืชื™ืื ื™ืŸ, ืชืžืฆื™ืช ืชื” ื™ืจื•ืง ืฉืžืขืœื” ืืช ืจืžื•ืช GABA ื•ื“ื•ืคืืžื™ืŸ. ืงื™ื™ืžื™ื ืฉื ื™ ืกื•ื’ื™ื ืฉืœ ืฆืžื—ื™ื, ื ืจื•ื•ื™ื ื™ื ื•ืื“ืคื˜ื•ื’ื ื™ื, ืฉื™ื›ื•ืœื™ื ืœื”ืจื’ื™ืข ืืช ืžืขืจื›ืช ื”ืขืฆื‘ื™ื ืื• ืœืืคืฉืจ ืœื’ื•ืฃ ืœื”ืกืชื’ืœ ืœืกื˜ืจืก. ื‘ื™ืŸ ื”ื ืจื•ื•ื™ื ื™ื ื”ืžืฆื•ื™ื ื™ื ืœื‘ื ื“ืจ, ืžืœื™ืกื”, ืงืื•ื•ื” ืงืื•ื•ื” ื•ืงืขืจื•ืจื™ืช. ืื ืืชื ืžื—ืคืฉื™ื ืื“ืคื˜ื•ื’ื ื™ื, ื ืกื• ื›ื•ืก ืฉืœ ื—ืœื™ื˜ืช ืจื™ื—ืŸ ื”ื•ื“ื™/ืจื™ื—ืŸ ืงื“ื•ืฉ ืœืคื ื™ ืžื“ื™ื˜ืฆื™ื”.

ื”ืคื—ืชืช ืœื—ืฅ ื“ื

ืกื˜ืจืก, ืขื™ืฉื•ืŸ, ืขื•ื“ืฃ ืžืฉืงืœ ืื• ืื•ืจื— ื—ื™ื™ื ื™ืฉื‘ื ื™, ืœืฆื“ ืฆืจื™ื›ื” ืžื•ืคืจื–ืช ืฉืœ ืกื•ื›ืจ ืื• ืืœื›ื•ื”ื•ืœ, ื™ื›ื•ืœื™ื ืœืชืจื•ื ืœื™ืชืจ ืœื—ืฅ ื“ื. ืœืขื•ืžืช ื–ืืช, ืžื“ื™ื˜ืฆื™ื” ื™ื›ื•ืœื” ืœืขื–ื•ืจ ื‘ื”ื•ืจื“ืช ืœื—ืฅ ื”ื“ื. ื”ืฉืคืขืชื” ื›ืœ-ื›ืš ื—ื–ืงื” ืฉืื™ื’ื•ื“ ื”ืœื‘ ื”ืืžืจื™ืงืื™ ืžืžืœื™ืฅ ืขืœ ืžื“ื™ื˜ืฆื™ื” ื›ื˜ื™ืคื•ืœ ืžืฉืœื™ื, ืœืฆื“ ื”ื˜ื™ืคื•ืœื™ื ื”ืžืงื•ื‘ืœื™ื ื ื’ื“ ื™ืชืจ ืœื—ืฅ ื“ื.

ื‘ืขื•ื“ ืกื˜ืจืก ื’ื•ืจื ืœืชื’ื•ื‘ืช "ืœื”ื™ืœื—ื ืื• ืœื‘ืจื•ื—", ืžื“ื™ื˜ืฆื™ื” ื’ื•ืจืจืช ืชื’ื•ื‘ื” ื”ืคื•ื›ื” ื”ืžื›ื•ื ื” ืชื’ื•ื‘ืช ื”ืจืคื™ื”. ื‘ืžืฆื‘ ืฉืœ ื”ืจืคื™ื” ืขืžื•ืงื” ื”ื“ื•ืคืง ื™ื•ืจื“ ื•ืจืžืช ื—ื ืงืŸ ื“ื•-ื—ืžืฆื ื™, ืžื•ืœืงื•ืœื” ืฉืžืจื—ื™ื‘ื” ื•ืžืจืคื” ืืช ื›ืœื™ ื”ื“ื, ืขื•ืœื”. ืœื”ื’ื“ืœื” ื ื•ืกืคืช ืฉืœ ื™ื™ืฆื•ืจ ื—ื ืงืŸ ื“ื•-ื—ืžืฆื ื™ ื ืกื• ืœืฆืจื•ืš ืฉื•ืงื•ืœื“ ืžืจื™ืจ, ืคื™ืกื˜ื•ืงื™ื ืื• ื—ื•ืžืฆื•ืช ืืžื™ื ื• L-ืืจื’ื™ื ื™ืŸ ื•ื’ื L-ืฆื™ื˜ืจื•ืœื™ืŸ.

ื”ืงืœื” ืขืœ ืชืกืžื™ื ื™ ื—ื™ื“ืœื•ืŸ ื•ืกืช

ืกืงื™ืจื” ืฉืœ ื˜ื™ืคื•ืœื™ ื ืคืฉ-ื’ื•ืฃ (ืžื“ื™ื˜ืฆื™ื”, ื™ื•ื’ื” ื•ื˜ืื™ ืฆ'ื™) ื”ื“ื’ื™ืžื” ื›ื™ ื˜ื™ืคื•ืœื™ื ื—ืœื•ืคื™ื™ื ื™ื›ื•ืœื™ื ืœื”ืงืœ ืขืœ ืชืกืžื™ื ื™ ื—ื™ื“ืœื•ืŸ ื•ืกืช, ื›ื•ืœืœ ื’ืœื™ ื—ื•ื, ืชื ื•ื“ื•ืช ื‘ืžืฆื‘ ืจื•ื—, ื›ืื‘ื™ ืฉืจื™ืจื™ื ื•ื ื“ื•ื“ื™ ืฉื™ื ื”. ืื›ื™ืœืช ืžืื›ืœื™ื ืขื ืกื•ื™ื” ื•ื–ืจืขื™ ืคืฉืชืŸ, ืฆืจื™ื›ืช ื”ืฆืžื—ื™ื ืงื•ื”ื•ืฉ ืฉื—ื•ืจ ืื• ืื ื’'ืœื™ืงื” ืกื™ื ื™ืช ืื• ื ื˜ื™ืœืช ืชื•ืกืฃ ื•ื™ื˜ืžื™ืŸ E ื’ื ื™ื›ื•ืœื•ืช ืœืขื–ื•ืจ.

ืกื™ื•ืข ืœื”ืคืกืงืช ืขื™ืฉื•ืŸ

ืžืกืคืจ ืžื—ืงืจื™ื ืงื˜ื ื™ื ื’ื•ืจืกื™ื ื›ื™ ืžื“ื™ื˜ืฆื™ื” ืขืฉื•ื™ื” ืœื”ืคื—ื™ืช ืืช ื”ื—ืฉืง ืœืขื™ืฉื•ืŸ ื•ืœืกื™ื™ืข ื‘ื”ืคืกืงืช ืขื™ืฉื•ืŸ. ืžื“ื™ื˜ืฆื™ื” ื™ื›ื•ืœื” ืœื”ืขืœื•ืช ืืช ื”ืžื•ื“ืขื•ืช ืฉืœื›ื ืœื”ืจื’ืœื™ื, ืœืฉืคืจ ืืช ื”ืฉืœื™ื˜ื” ื”ืขืฆืžื™ืช ื•ืœื”ืฉืจื•ืช ื”ืจืคื™ื”, ื›ืš ืฉืœื ืชืฆื˜ืจื›ื• ืœื”ื“ืœื™ืง ืกื™ื’ืจื™ื” ื›ื“ื™ ืœื”ื™ืจื’ืข. ื ื˜ื™ืœืช ืชื•ืกืฃ GABA, ืžื•ืœื™ืš ืขืฆื‘ื™ ืฉืžืจื’ื™ืข ืืช ืžืขืจื›ืช ื”ืขืฆื‘ื™ื, ื’ื ื™ื›ื•ืœื” ืœืกื™ื™ืข ืœื”ืคืกืงืช ืขื™ืฉื•ืŸ.

ื˜ื™ืคื•ืœ ื‘ืืกืชืžื”

ืœืคื™ ื”ืžืจื›ื–ื™ื ืœื‘ืงืจืช ืžื—ืœื•ืช, 1 ืžื›ืœ 12 ืื ืฉื™ื ืกื•ื‘ืœ ืžืืกืชืžื”, ืžื—ืœื” ืฉื’ื•ืจืžืช ืœื“ืœืงืช ื•ืœื”ื™ืฆืจื•ืช ื”ืกื™ืžืคื•ื ื•ืช, ืžื” ืฉืžื•ื‘ื™ืœ ืœืงืฉื™ื™ ื ืฉื™ืžื” ื•ืคื•ื’ืข ื‘ืื™ื›ื•ืช ื”ื—ื™ื™ื. ืืžื ื ืžื“ื™ื˜ืฆื™ื” ืœื ื‘ื”ื›ืจื— ืชืงื˜ืข ื”ืชืงืฃ ืืกืชืžื”, ืื‘ืœ ื”ื™ื ื™ื›ื•ืœื” ืœื”ืคื—ื™ืช ืืช ื”ืคื—ื“ ื•ื”ื—ืจื“ื” ืฉื ืงืฉืจื™ื ืœื”ืชืงืคื™ ืืกืชืžื” ื•ืœื”ื•ืจื™ื“ ืืช ืจืžื•ืช ื”ื•ืจืžื•ื ื™ ื”ืกื˜ืจืก, ื›ืš ืฉื”ืชืกืžื™ื ื™ื ื™ื”ื™ื• ืคื—ื•ืช ื—ืžื•ืจื™ื. ื ื˜ื™ืœืช ืชื•ืกืคื™ื ืคืจื”-ื‘ื™ื•ื˜ื™ื™ื, ื›ืžื• ื’ืœืงื˜ื•-ืื•ืœื™ื’ื•-ืกื•ื›ืจื™ื ื•ืชื•ืกืคื™ื ืคืจื•ื‘ื™ื•ื˜ื™ื™ื ื’ื ืขืฉื•ื™ื” ืœื”ื•ืขื™ืœ.

ื”ืคื—ืชืช ื›ืื‘ื™ื ื›ืจื•ื ื™ื™ื

ื‘ืขืจืš 100 ืžื™ืœื™ื•ืŸ ืื ืฉื™ื ืžื”ืื•ื›ืœื•ืกื™ื™ื” ื”ื‘ื•ื’ืจืช ืฉืœ ืืจื”"ื‘ ืกื•ื‘ืœื™ื ืžื›ืื‘ื™ื ื›ืจื•ื ื™ื™ื, ื›ื•ืœืœ ื›ืื‘ื™ ืžืคืจืงื™ื ื•ื“ืœืงืช ืžืคืจืงื™ื. ื˜ื™ืคื•ืœ ื‘ื›ืื‘ื™ื ื›ืจื•ื ื™ื™ื ื”ื•ื ืืชื’ืจ ืงืฉื”, ื‘ืžื™ื•ื—ื“ ืœืœื ืฉื™ืžื•ืฉ ื‘ืื•ืคื™ืื˜ื™ื, ืชืจื•ืคื•ืช ื ืจืงื•ื˜ื™ื•ืช ืฉื™ื›ื•ืœื•ืช ื‘ืงืœื•ืช ืœื’ืจื•ื ืœื”ืชืžื›ืจื•ืช.

ืžื“ื™ื˜ืฆื™ื” ืžืฉื ื” ืืช ื“ืคื•ืกื™ ื”ืžื•ื— ื”ื ืงืฉืจื™ื ืœืื™-ื ื•ื—ื•ืช ื•ืขืฉื•ื™ื” ืœืขื–ื•ืจ ื‘ื”ืงืœื” ืขืœ ืขื•ืฆืžืช ื”ื›ืื‘ ื•ืœืฉืคืจ ืืช ื”ืจื•ื•ื—ื” ื”ื›ืœืœื™ืช. ืืคื™ืœื• ืื ืฉื™ื ืฉืจืง ื”ืชื—ื™ืœื• ืœืขืฉื•ืช ืžื“ื™ื˜ืฆื™ื•ืช ื™ื›ื•ืœื™ื ืœื”ื’ื™ืข ืœื”ืงืœื”, ืื ื”ื ื™ืœืžื“ื• ืœื”ืฉืชื—ืจืจ ื•ืœืฉืœื•ื˜ ื‘ืชื’ื•ื‘ืช ื”ื ืคืฉ ืœื›ืื‘. ืคื™ื–ื™ื•ืชืจืคื™ื” ื•ืชื•ืกืคื™ื ื›ืžื• ื›ื•ืจื›ื•ื, ืงืœื™ืคืช ืขืฅ ืขืจื‘ื” ืœื‘ืŸ, ืงืคืกื™ืงื•ื ื•ื’ื ืฆื™ืคื•ืจื ื™ ื”ืฉื˜ืŸ (ื”ืจืคื’ื•) ื”ื ืชื›ืฉื™ืจื™ื ื˜ื‘ืขื™ื™ื ื ื•ืกืคื™ื ืœื”ืงืœื” ืขืœ ื›ืื‘ื™ื.

ื”ืงืœื” ืขืœ ื›ืื‘ื™ ืจืืฉ

ืžื“ื™ื˜ืฆื™ื” ื™ื›ื•ืœื” ืœื”ืงืœ ืขืœ ื›ืื‘ื™ ืจืืฉ ืขืœ-ื™ื“ื™ ื”ืคื—ืชืช ืกื˜ืจืก. ืžื—ืงืจ ืื—ื“ ืฉืคื•ืจืกื ื‘ื›ืชื‘ ื”ืขืช Headache ื’ื™ืœื” ื™ืจื™ื“ื” ืฉืœ 1.4 ื‘ืžืกืคืจ ื”ืžื™ื’ืจื ื•ืช ื‘ื—ื•ื“ืฉ, ืœืฆื“ ื™ืจื™ื“ื” ื‘ืžืฉืš ื”ืžื™ื’ืจื ื•ืช ื•ื‘ืื™-ื ื•ื—ื•ืช ืฉื”ืŸ ื’ืจืžื•, ื‘ืงืจื‘ ืื ืฉื™ื ืฉืขื‘ืจื• ืชื›ื ื™ืช ืฉืœ 8 ืฉื‘ื•ืขื•ืช ืœื”ืคื—ืชืช ืกื˜ืจืก ืขืœ ื‘ืกื™ืก ืžื•ื“ืขื•ืช ืงืฉื•ื‘ื”.

ืชืžื™ื›ื” ื‘ื™ืจื™ื“ื” ื‘ืžืฉืงืœ ื•ื‘ืฉืžื™ืจื” ืขืœ ืžืฉืงืœ ืชืงื™ืŸ

ืžื“ื™ื˜ืฆื™ื” ืœื ืจืง ืžืฆืžืฆืžืช ืื›ื™ืœื” ืจื’ืฉื™ืช ืขืœ-ื™ื“ื™ ื”ืจื’ืขืช ืกื˜ืจืก, ืืœื ื’ื ืžืกื™ื™ืขืช ืœื•ื•ืกืช ืืช ื—ื™ืœื•ืฃ ื”ื—ื•ืžืจื™ื ื•ืœืื–ืŸ ืืช ื”ื’ื•ืฃ ื•ื”ื ืคืฉ, ืžื” ืฉืžืงืœ ืœืฉืžื•ืจ ืขืœ ืžืฉืงืœ ืชืงื™ืŸ. ื ื•ืกืฃ ืขืœ ื›ืš, ืžื“ื™ื˜ืฆื™ื” ื™ื›ื•ืœื” ืœื”ื•ืจื™ื“ ืืช ืจืžื•ืช ื”ืงื•ืจื˜ื™ื–ื•ืœ, ื”ื•ืจืžื•ืŸ ืฉืžื’ื‘ื™ืจ ืชื™ืื‘ื•ืŸ ื•ื’ื•ืจื ืœืื’ื™ืจืช ืฉื•ืžืŸ ื‘ื’ื•ืฃ, ื‘ืžื™ื•ื—ื“ ื‘ืื–ื•ืจ ื”ืžื•ืชืŸ. ืžื“ื™ื˜ืฆื™ื” ืงื‘ื•ืขื” ื™ื›ื•ืœื” ืœืขื–ื•ืจ ืœื›ื ืœื’ืœื•ืช ื™ื•ืชืจ ืžื•ื“ืขื•ืช ื‘ืื›ื™ืœื”, ืœื”ืฉืคื™ืข ืœื˜ื•ื‘ื” ืขืœ ื”ืžืฉืงืœ, ื”ื‘ืจื™ืื•ืช ื•ืžืขืจื›ืช ื”ื™ื—ืกื™ื ืฉืœื›ื ืขื ืื•ื›ืœ.

ืกื™ืžื•ื›ื™ืŸ:

  1. Meditation for Health: What the Science Says: https://nccih.nih.gov/health/providers/digest/meditation-science
  2. Brewer JA, Mallik S, Babuscio TA, et al. Mindfulness training for smoking cessation: results from a randomized controlled trial. Drug and Alcohol Dependence. 2011;119(1-2):72–80.
  3. Chen KW, Berger CC, Manheimer E, et al. Meditative therapies for reducing anxiety: a systematic review and meta-analysis of randomized controlled trials. Depression and Anxiety.2012;29(7):545–562.
  4. Goyal M, Singh S, Sibinga EM, et al. Meditation programs for psychological stress and well-being: a systematic review and meta-analysis. JAMA Internal Medicine. 2014;174(3):357–368.
  5. Reiner K, Tibi L, Lipsitz JD. Do mindfulness-based interventions reduce pain intensity? A critical review of the literature. Pain Medicine. 2013;14:230–242.