GET kinky. Go with the flow. This is not a lifestyle recommendation, it’s the latest advice to vascular surgeons. Evidence is mounting that bypass grafts work much better, and last much longer, if they have helical twists.
When surgeons make a graft to bypass a blockage in a blood vessel they often have to use prosthetic tubes because suitable arteries and veins are hard to come by. Similarly, when patients with renal disease have dialysis, a loop of tubing may be fitted between a vein and an artery, usually in the arm. This loop, made from polytetrafluoroethylene (PTFE), is called…
