For the next six to eight weeks -- or until you're free of pain -- avoid the activity that caused the stress fracture. If you exercise again too soon, you could delay the healing process. You could even cause damage that may never heal properly. When you are ready to return to the activity, do it slowly. If you rush back in, you could re-injure yourself. Very severe stress fractures that won't heal on their own may require surgery.
Best Answer: Krypton is a nonmetal belonging to group 8. All the elements in this group are essentially non reactive and are called the noble gases.est Answer: Krypton is a nonmetal belonging to group 8. All the elements in this group are essentially non reactive and are called the noble gases.
Krypton-85 is a radioactive isotope and although there may be small traces of this gas present in the atmosphere, a direct exposure to significant quantities of this gas can be hazardous to health. The substance radiates beta and gamma particles which can cause damaging of tissues on direct contact with the physical body.