When we want to express that we feel worried or interested in something, we often use the phrase "is concerned about". However, there are several synonyms that can be used to convey this feeling more effectively. One alternative is "is anxious about", which implies a greater level of worry about the situation. Another option is "is interested in", which can be used to convey a positive intrigue or curiosity about something. "Is troubled by" is another synonym that implies a sense of unease or worry about a particular issue. Finally, "is preoccupied with" can be used to indicate that something is occupying a person's thoughts and attention.