Lose overall body fat through a calorie-controlled diet and regular exercise
Do cardio exercises such as walking, jogging, cycling, or swimming
Do strength training to build muscle and support fat loss
Maintain a balanced diet with more vegetables, fruits, lean protein, and whole grains
Reduce intake of sugary foods, refined carbs, and high-calorie processed foods
Stay hydrated
Improve posture and wear a well-fitted supportive bra
Try chest-focused exercises to strengthen the pectoral muscles
Avoid crash diets and unhealthy weight-loss methods
Get enough sleep
Manage stress
Consult a doctor if breast size changes suddenly or causes pain, discomfort, or concern