The old way: High doses of radiation and chemotherapy wipe out a Nike Air Maxpatient's own bone marrow before someone else's is infused to replace it,hair straightener hopefully before infection strikes.

The new way: Rather than destroying the patient's  air max90    bone marrow, just tamp it down enough to make space for the donated marrow to squeeze in alongside and a sort of twin immune system takes root. It's what doctors taking a page from mythology call "mixed-cell chimerism" —Jordan Shoes   patient and donor blood and immune cells living together to improve health.

To find the best methods for these less intense transplants, different mixebuy shoess of low-dose radiation and immune-suppressing drugs are under studynfl jerseys at hospitals around the country.

But the ultimate quest is to allow transplants even     nike shox r4when donors aren't a good genetic match, says Dr. Suzanne Ildstad of the University of Louisville— whose technique involves an experimental tweaking of donated cells to help them grow better.

"It makes it possible for anyone who has a mom or dad willing to donateoakley sunglasses marrow to them to have a transplant," says Ildstad, who has families puma shoeswith sickle cell and other childhood genetic illnesses lining up to try.