The immune function goes back to youthful levels. One person with prostate cancer had it disappear by taking HGH alone. Insulin resistance and diabetes may resolve itself. Hair may regrow, become thicker, and gray hair may return to its normal color. HDL cholesterol goes up and LDL cholesterol goes down.
Wounds heal faster.
Blood pressure lowers. Bones become stronger and denser. Osteoporosis reverses itself. Skin becomes thicker and smoother. Kidneys work better.