... 3.can be a medicine for health building Red Medical ball introduction: Red Medical ball series, the MaiFan quarry stone particles ... 2-4-5mm 3mm, 8-9mm.Introduction and usage: Red Medical ball is a natural health healing stone, it's ... ". For hypertension, gastric, chronic gastritis, nephritis, hepatitis, urinary, diabetes, heart disease and premature beat, tracheitis, etc have certain curative effect.