THE treatment of esophagopharyngeal diverticulum continues to be an interesting surgical problem. For the majority of practitioners interest in the subject arises out of the comparative rarity of the ...

Inversion therapy may provide short-term benefits like relief from back pain and flexibility, but there’s little evidence that it provides long-term relief. Inversion therapy is a technique where you ...

Rearranging the formula for the circumference of a circle makes the radius the subject. Start with the new subject and write out the function machine for the formula, showing each operation step by ...