But the camels had none of this fat-metaboliser. Li isolated another amino acid substance from the camel pituitary, beta-endorphin, but it didn't play into the questions he was asking and he put ...

Almost two years on from its debut, the Saucony Endorphin Elite is back for round two. Designed for your fastest races, the shoe sits right at the top of Saucony’s food chain, just above the ...