Science shows that breaking up isn’t just emotional—it’s physical, too. Studies suggest that seeing a photo of an ex-lover causes the area of your brain that registers physical pain to light up. You can become so accustomed to the presence of another person in your life that you experience their absence as withdrawal. If the future you planned on is in jeopardy, levels of the stress hormone, cortisol, can rise. Your body takes note. You could experience sleepless nights, stomach pains, little appetite, or acne. Like the emotional side effects of breaking up, the physical symptoms also abate with time.
Read the full article here: 6 Things that Happen to Your Body During a Breakup