It depends on how severe the injuries are.
Its due to poor perfusion (blood supply)
Your best bet is to go see a therapies. And follow up with a doctor all injuries are unique in the way they heal. You can also go to your local library an ask for books on running injuries that may help.
how long does it take for a hip hair line fracture to heal and what is the treatment
It will take about 4-7 Day's to heal.
how long does it take to heal a broken femur? it has been a year and still not normal is this the norm?
If you mean "how long does it take SKIN to heal under glue sutures" then the answer is about 4-5 days .
parasites?
yes if you run
how long does it take to heal after a pelvic surgeory
Bone injuries heal very quickly because bone has a lot of direct blood flow. This direct blood flow delivers the nutrients needed to heal an injury.
Injuries in the brain do not heal because brain cells cannot grow back. On the other hand body cells (skin) do grow back.