A little stress may be good for you: "Sustained stress definitely is not good for you, but it appears that an occasional burst of stress or low levels of stress can be very protective..."

Seniors more susceptible to holiday depression: "The demands of shopping, parties, family reunions and house guests, can all contribute to feelings of tension and, according to the National Mental Health Association (NMHA), trigger depression or stress responses, such as headaches, excessive drinking, over-eating and difficulty sleeping."