Which of the following statements are true?

1. Glucocorticoids stimulate glycogenesis, lipolysis, and proteolysis, and inhibit the cellular uptake and utilization of amino acids.
2. Cortisol is involved in maintaining the cardiovascular system as well as the kidney functions.
3. Addison's disease is caused by the overproduction of hormones by the adrenal cortex.
4. Catecholamines stimulate the breakdown of glycogen, resulting in an increased concentration of glucose in the blood.