I just saw a famous old Chinese doctor say that pressing an acupoint is very useful for stimulating pituitary secretion. She said she had a patient, mother 1.50 meters. Dad, 1.60 meters. This boy is 16 years old and grows to 1.6 meters. He asked the boy to rub this acupoint every day, and she didn't recognize him when she saw him again two years later. This boy became 1.8 meters. This acupoint has a small protrusion on the first line under the thumb. If you are not sure, you can watch this expert's video. Looking for Yangshengtang Yang Yi on Baidu is what she said. There is a story about a long man, which you can read during the holiday.