The American left’s favorite double act hopes it has the key to rallying the anti-Trump resistance—and timid Democrats.

Researchers identified a direct connection between cancer-related inflammation and the loss of motivation characteristic of advanced cancer. In a mouse study, they describe a brain pathway that starts ...

The 83-year-old senator drawing tens of thousands of people to his "fighting oligarchy" rallies around the country.

The fatigue and lack of motivation that many cancer patients experience near the end of life have been seen as the unavoidable consequences of their declining physical health and extreme weight loss.