<prompt> Which Glycogen Storage Disease doesn;t affect muscles ?Type 1Type 2Type 3Type 4  <response>: Glycogen storage disease type 1 is an inherited disorder caused by the buildup of a complex sugar called glycogen in the body;s cells . The accumulation of glycogen in ceain organs and tissues , especially the liver, kidneys, and small intestines, impairs their ability to function normally. Reference: GHAI Essential pediatrics, 8th edition 