Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
Read more health news
Most healthy people recover without long-term effects. People with impaired immune systems can have permanent organ damage or can die as a result of cat-scratch fever.
What are the risks to others?
Cat-scratch disease is not passed from person to person.