The answer to 'recessed lighting dimming lights' is that there are several common causes for recessed lights not dimming properly, including faulty dimmers, incompatible dimmer and light bulb combinations, and wiring issues. Symptoms can include lights flickering, buzzing, or not dimming at all. Solutions may involve replacing the dimmer, using compatible LED or halogen bulbs, or checking the wiring for any problems.
If you're not comfortable troubleshooting electrical issues, it's best to call a licensed electrician to diagnose and fix the problem. DIY work on recessed lighting can be risky if you don't have the proper knowledge and experience.