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Why does rubbing reduce pain?

Who has accidentally hit something and then rubbed his hand and massaged it immediately? 😮 Notice that the pain is really diminishing! This clip, Everyday Science, takes you to tap into the science behind "pain relief" yourself in seconds!

In this clip, you will know:

How does the "magic door" in our body work? (The main culprit in controlling painful signals)

Why does "tactile sign" travel faster than "painful sign"?

A simple science that helps us understand the nervous system!

After watching it, you will understand more about why rubbing can reduce pain! 😉 Click Like, Share and Follow Everyday Science to get fun science around us!

# Everyday Science # Reduce pain # Nervous system # Body science # All around knowledge# Knowledge essence # Health

2025/11/15 Edited to

... Read moreเมื่อเรารู้สึกเจ็บปวดจากการชนหรือกระแทกบริเวณใดบริเวณหนึ่ง ร่างกายจะส่งสัญญาณเจ็บปวดผ่านเส้นประสาทขึ้นไปยังสมอง ซึ่งเป็นกระบวนการที่เกิดขึ้นเพื่อแจ้งเตือนให้เราระวังและป้องกันความเสียหายเพิ่มเติม แต่สิ่งที่น่าสนใจคือ การที่เรานำมือไปถูบริเวณที่เจ็บทันทีหลังจากได้รับบาดเจ็บนั้นช่วยลดความเจ็บปวดได้อย่างเห็นผล สาเหตุที่เป็นเช่นนี้ คือการถูจะส่งสัญญาณสัมผัสผ่านเส้นประสาทที่เดินทางได้เร็วกว่าสัญญาณเจ็บปวด เมื่อสัญญาณสัมผัสเหล่านี้ส่งไปถึงไขสันหลังก่อน สัญญาณจะมีส่วนกระตุ้นระบบที่เป็นที่เรียกว่า "ประตูวิเศษ" (gate control theory) ซึ่งทำหน้าที่เปิดหรือปิดเส้นทางส่งสัญญาณเจ็บปวดไปยังสมอง โดยสัญญาณสัมผัสจะไป "ปิดประตู" ไม่ให้สัญญาณเจ็บปวดผ่านเข้าไปได้อย่างเต็มที่ จึงทำให้สมองรับรู้ความเจ็บปวดได้น้อยลง นี่จึงเป็นเหตุผลว่าทำไมเวลาที่เราปวดหรือเจ็บ การถูหรือนวดบริเวณนั้นรีบทันทีจึงช่วยลดอาการเจ็บปวดได้ภายในเวลาสั้นๆ นอกจากนี้ การถูยังช่วยกระตุ้นการไหลเวียนของเลือดเพิ่มขึ้นในบริเวณนั้น ซึ่งช่วยให้เนื้อเยื่อฟื้นตัวเร็วขึ้นและลดอาการบวมได้อีกด้วย นอกจากนี้ คุณยังสามารถใช้หลักการเดียวกันนี้ร่วมกับวิธีบรรเทาอาการเจ็บปวดอื่นๆ เช่น การประคบเย็น หรือการบริหารกล้ามเนื้อเบาๆ เพื่อช่วยลดความรู้สึกเจ็บและเพิ่มความคล่องตัวของร่างกาย การรู้จักวิธีดูแลตัวเองเบื้องต้นแบบนี้จะช่วยให้คุณรับมือกับอาการเจ็บเล็กๆ น้อยๆ ในชีวิตประจำวันได้อย่างมีประสิทธิภาพและไม่ต้องพึ่งยาเสมอไป สุดท้าย ความเข้าใจเรื่องระบบประสาทและกลไกของสัญญาณเจ็บปวดจะช่วยให้คุณมีความรู้รอบตัวที่เป็นประโยชน์ และยังเป็นบันไดสู่การดูแลสุขภาพอย่างถูกต้อง ร่วมติดตามความรู้วิทยาศาสตร์สนุกๆ จาก Everyday Science เพื่อเพิ่มพูนความเข้าใจในร่างกายของเรากันต่อไป!

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