Go for it manda414.
Your question was 12 months ago, I hope you are still walking.
Walking was happening long before Doctors evolved. Walking was how you got here.
Please never stop, walking is the 2nd best exercise you can have, following #1.....breathing.
And you know what happens if you stop breathing.
Walking styles can make walking a bit of a problem, but that's easy to fix.
Fixed, walking is a low impact, incredible exercise.