According to Ayurveda and Siddha , it all depends on the person in question.
It's not like everybody HAS to catch a cold but rarely some ppl do. Rare as in about 20 out of 100 ppl maybe?
I personally do catch a cold but nobody I know apart from me does.
How do I know this? My grandpa was an Siddha doc (tho not certified). He took training from ......
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