Maintain a calorie deficit to reduce overall body fat
Do regular cardio and full-body strength training
Focus on chest, back, and posture exercises to improve appearance
Wear a properly fitted supportive bra
Avoid rapid weight-loss methods
Reduce alcohol intake
Limit highly processed foods and excess sugar
Manage hormone-related causes with a healthcare professional
Review medications that may affect breast size with a doctor
Consider surgical breast reduction if desired and medically appropriate