Thatâs very fast. If you could travel at the speed of light, you would be able to circle the Earthâs equator about 7.5 times in just one second! A light-second is the distance light travels in one second, or 7.5 times the distance around Earthâs equator. A light-year is the distance light travels in one year.
The Keytruda approval is based on clinical trials that showed tumors shrank in 41 percent of patients, and the effect lasted between two and nine months. The most common side effects of Keytruda included fatigue, decreased appetite, shortness of breath or impaired breathing, and cough.
In these studies, the most common Taxol side effects (used alone or in combination with other chemotherapy medications) included: Neutropenia (low levels of white blood cells called neutrophils) -- in up to 100 percent of people. Anemia -- up to 97 percent (see Chemotherapy and Anemia)