43 years old, female: Irritating pain on my breast skin for 1 month - Could it be a sign of cancer?

Your forehead defect is small and would likely do well with allowing it to heal by itself (also known as healing by secondary intention).  This would result in an initially pink and then light scar that is the same shape as the defect and a bit smaller in size.  Other repair options...

You would do best to check in with your Mohs surgeon regarding post-treatment exercise restrictions.  Since your doctor knows your treatment history best, he/ she is best suited to advise you regarding weightlifting and exercising after your procedure.  Generally, for facial surgery, I...

I recommend that you follow-up with your Mohs surgeon as soon as possible. Foul-smelling discharge could indicate an infection, especially if you have any other symptoms (fever, swelling, redness, etc). If an infection is suspected, your doctor will perform a simple bacterial culture and...