This reply
Alexios M mark this message contains personal perspective
originally written by Alexios M
This is a personal opinion about mustard soup helping people deal with a cold. There is some evidence that mustard greens help immune system but it's hard to generalize and overall the message doesn't really do any harm other than encouraging people to eat vegetables.

Opinion Sources

https://www.healthline.com/nutrition/mustard-greens-nutrition#:~:text=Mustard greens may also be,for a strong immune system.

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