But Professor Nazrul says the two are able to prolong their feud because no one stands up to them.

NPR: Upheaval Marks Another Election in Bangladesh

One is a living will, stating what you do and don't want done to prolong your life.

FORBES: Healthy Precautions

In only one of the trials did the use of stem-cell support and high-dose chemotherapy appear to prolong life more effectively than conventional low-dose treatment.

ECONOMIST: Breast cancer