</span>Carbohydrate, lipids, and proteins consist of many C-H bonds which contain potential energy. When energy is needed immediately, those compounds broke down to different basic units. Those c<span>ompounds are broken down to produce the great</span> amount of energy in the form of ATP.
Researchers found that chronic exposure to a stress hormone causes modifications to DNA in the brains of mice, prompting changes in gene expression. The new finding provides clues into how chronic stress might affect human behavior.
