I don't know about colds and stuff, but I have a knee that's very sensitive and starts hurting from drafts (fans and AC blowing also triggers it, and cold and h

I don't know about colds and stuff, but I have a knee that's very sensitive and starts hurting from drafts (fans and AC blowing also triggers it, and cold and humidity makes it worse also, so it fluctuates quite a bit through the year). Being outside on a windy day doesn't have this effect.