People may experience:<span>Mood: </span>mood swings, sadness, elevated mood, anger, anxiety, apathy, apprehension, euphoria, general discontent, guilt, hopelessness, loss of interest, or loss of interest or pleasure in activities<span>Behavioral: </span>irritability, risky behavior, disorganized behavior, aggression, agitation, crying, excess desire for sex, hyperactivity, impulsivity, or self-harm<span>Cognitive: </span>unwanted thoughts, delusion, lack of concentration, racing thoughts, slowness in activity, or false belief of superiority<span>Psychological: </span>depression, manic episode, agitated depression, or paranoia<span>Sleep: </span>difficulty falling asleep or excess sleepiness<span>Whole body: </span>fatigue or restlessness<span>Weight: </span>weight gain or weight loss<span>Also common: </span>rapid and frenzied speaking
Hematologists, is a discipline in medicine which diagnoses, treats, and researches disorders and pathologies of the blood. This means that they are responsible for anything having to do with blood including looking at blood samples for abnormalities. Remember prefixes (Hema- or Hemo- is blood).