How long should I wait to resume exercising after being sick with a cold?
Follow your heart...
I have worked out right through being sick and felt it helped to sweat it out, but you know your body better than anyone else.
I delivered papers for 31 years and never missed a day sick even though I was sick from time to time, I felt I had to do it anyways and it seemed to help. I called it sweating it out. I am no expert though, maybe someone else can give you better advice.
Sometimes when I exercise while I'm recovering from a cold or just feeling run down, I feel like it actually helps flush things out of my system and I feel better... but I don't know if that's backed up by any science. I'd say if you start your workout and feel a bit energized 10 minutes in, you're probably good - otherwise, if you're just feeling tired and awful, I'd give yourself a break. Sometimes I find the recovery-type workouts, or restorative yoga, are perfect for when I'm not feeling great or am sick.
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