Some people diet to put on weight or muscle. Is it more difficult to put on weight or lose weight?

Well, losing weight and gaining muscle both have their challenges.
To lose weight, you need to eat fewer calories than you burn, you must eat healthy and perform regular exercises.
To gain muscle, you need to eat more calories and enough protein with regular, intense workouts.

Moreover, the level of difficulty depends on your metabolism, genetics, and lifestyle. Some find losing weight harder, while others struggle more with gaining muscle.