The document discusses the differences between "chita" and "chinta" in Hindi. While they are similar words, there is a small difference - a dot. Chita refers to the funeral pyre that burns the dead, while chinta burns the living through worry. Stress is discussed as a physical, mental, or emotional factor that causes tension in the body or mind. Stress can come from external environmental, psychological, or social sources, or from internal illnesses or medical procedures. The document also mentions different types of stress according to the American Psychology Association, including acute stress, episodic acute stress, and chronic stress, and lists COVID-19 as a cause of stress.