Knees do not necessarily wear out evenly, sometimes one part of the knee is perfectly fine while another part is completely destroyed. If only part of the knee joint is worn out, why replace all of it?
All athletes get injured. The best ones use the injury as an excuse to come back better than they were before they were hurt. Others may not be able to. This may, in part, be due to their inability to let go of the self-image they are attached to. Here are some tips for avoiding that trap.
Stem cell therapies are sprouting like weeds. This is a good thing. The medical community is rushing into the biologic sciences, opening up the field of stimulating tissues to heal—rather than suppressing them with steroids, anti-inflammatories, or joint replacement surgeries. Here is my take on where the field is now and where it is going.