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Ice Packs or Heat Pads? #SundayScience 
Been meaning to restart #SundayScience for a while; eventually hastened by an injury last week. Gave both the topic and the much-needed break on Sunday 😉
Most of us would have used ice packs or heat pads for pain relief. If you already know when to use cold or hot, see you in next week’s #SundayScience. This edition is for the others 😈
