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.
Tricyclic antidepressants, including amitriptyline and protriptyline, are the most commonly used medications to prevent tension headaches. Side effects of these medications may include constipation, drowsiness and dry mouth. Other antidepressants.