Moderate exercise safe, healthy for heart-failure patients

Moderate exercise safe, healthy for heart-failure patients

• Story Highlights
• Study: Exercise in heart-failure patients is safe, helps well-being, reduces mortality
  
• About 5 million people in the United States have chronic heart failure
  
• In heart failure, the heart is too weak to pump blood through the body effectively

"Brown fat" burns calories -- may lead to new obesity treatments

"Brown fat" burns calories -- may lead to new obesity treatments

• Story Highlights
• Special kind of fat, brown fat, burns calories in cold weather
  
• Research showed adults retain brown fat on their bodies
  
• Drugs may be created to fire up brown fat activity to burn calories faster