Stress can be both  physical as well as emotional. Physically stress can lead to ulcers or even  heart attacks. Mentally stress can lead to depression, loss of sleep. Stress  was coined in 1936 by Hans Selye as “the non-specific response of the body to  any demand for change.” Here is a list of the 50 most common types of stress:
                        
                          
                            1.  Frequent headaches, jaw clenching or pain  | 
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                            26. Insomnia, nightmares, disturbing dreams  | 
                          
                          
                            2.  Gritting, grinding    teeth  | 
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                            27. Difficulty concentrating, racing    thoughts  | 
                          
                          
                            3.  Stuttering or    stammering  | 
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                            28. Trouble learning new    information  | 
                          
                          
                            4.  Tremors, trembling of    lips, hands  | 
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                            29. Forgetfulness,    disorganization, confusion  | 
                          
                          
                            5.  Neck ache, back pain,    muscle spasms   | 
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                            30. Difficulty in making    decisions.  | 
                          
                          
                            6.  Light headedness,    faintness, dizziness  | 
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                            31. Feeling overloaded or    overwhelmed.  | 
                          
                          
                            7.  Ringing, buzzing or    "popping sounds   | 
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                            32. Frequent crying spells or suicidal thoughts  | 
                          
                          
                            8.  Frequent blushing, sweating   | 
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                            33. Feelings of loneliness or    worthlessness  | 
                          
                          
                            9.  Cold or sweaty hands,    feet  | 
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                            34. Little interest in appearance, punctuality   | 
                          
                          
                            10. Dry mouth, problems    swallowing   | 
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                            35. Nervous habits, fidgeting,    feet tapping  | 
                          
                          
                            11. Frequent colds,    infections, herpes sores   | 
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                            36. Increased frustration, irritability, edginess  | 
                          
                          
                            12. Rashes, itching, hives,    "goose bumps"  | 
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                            37. Overreaction to petty    annoyances  | 
                          
                          
                            13. Unexplained or frequent attacks  | 
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                            38. Increased number of minor    accidents   | 
                          
                          
                            14. Heartburn, stomach pain,    nausea  | 
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                            39. Obsessive or compulsive    behavior  | 
                          
                          
                            15. Excess belching,    flatulence  | 
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                            40. Reduced work efficiency or    productivity   | 
                          
                          
                            16. Constipation, diarrhea  | 
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                            41. Lies or excuses to cover    up poor work  | 
                          
                          
                            17. Difficulty breathing,    sighing  | 
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                            42. Rapid or mumbled speech  | 
                          
                          
                            18. Sudden attacks of panic  | 
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                            43. Excessive defensiveness or suspiciousness  | 
                          
                          
                            19. Chest pain, palpitations  | 
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                            44. Problems in communication, sharing  | 
                          
                          
                            20. Frequent urination  | 
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                            45. Social withdrawal and isolation  | 
                          
                          
                            21. Poor sexual desire or performance  | 
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                            46. Constant tiredness,    weakness, fatigue  | 
                          
                          
                            22. Excess anxiety, worry, guilt, nervousness  | 
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                            47. Frequent use of    over-the-counter drugs  | 
                          
                          
                            23. Increased anger,    frustration, hostility  | 
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                            48. Weight gain or loss    without diet   | 
                          
                          
                            24. Depression, frequent or wild mood swings    | 
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                            49. Increased smoking, alcohol    or drug use   | 
                          
                          
                            25. Increased or decreased    appetite  | 
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                            50. Excessive gambling or    impulse buying   | 
                          
                        
                        Anxiety is a physiological  and psychological state which creates painful feelings such as worry,  apprehension and uneasiness. Physical effects of anxiety may include Headaches,  Nausea, Chest Pain, heart palpitations or Shortness Of Breath. Physically a  threat in some form to the body produces an increase in blood pressure and  heart rate as the body prepares for the fight or flight response to deal with  the newly discovered threat.