You cannot keep growth plates open on purpose
Growth plates naturally close after puberty
Get enough sleep
Eat a balanced diet with enough calories, protein, calcium, vitamin D, and other nutrients
Avoid smoking, vaping, alcohol, and drugs
Avoid steroid misuse and other hormone misuse
Treat medical conditions that affect growth with a doctor
Maintain a healthy body weight
Stay physically active
Get regular checkups if you are concerned about growth
Ask a pediatric endocrinologist if you have concerns about early or delayed puberty