A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its ...

Some examples of narcissistic behavior include inflating one’s accomplishments to gain praise, ignoring other people’s feelings, and deliberately taking credit for someone else’s work. Narcissistic ...

Examples of passive-aggressive behavior can include lateness, avoidance, and silence. Passive-aggressive behavior can damage relationships and make communication difficult. Passive aggression is a ...

More than 100 recent cases of delirium, hallucinations and other unusual psychiatric behavior in Japanese patients treated with Tamiflu should have parents watching for similar reactions when treating ...

Wildlife experts have issued a warning about a wolf that showed no fear of snowmobiles in the Minnesota wilderness, saying its behavior was "extremely abnormal." The incident happened in the Voyageurs ...

Carol Mathews receives funding from the National Institute of Health. She is affiliated with the Tourette Association of America, and the International Obsessive Compulsive Foundation. She is the ...