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  • Narcissistic personality disorder - Symptoms and causes
    A narcissistic personality disorder causes problems in many areas of life, such as relationships, work, school or financial matters People with narcissistic personality disorder may be generally unhappy and disappointed when they're not given the special favors or admiration that they believe they deserve They may find their relationships troubled and unfulfilling, and other people may not
  • Narcissistic personality disorder - Diagnosis and treatment - Mayo Clinic
    Diagnosis Some features of narcissistic personality disorder are like those of other personality disorders Also, it's possible to be diagnosed with more than one personality disorder at the same time This can make diagnosis more challenging Diagnosis of narcissistic personality disorder usually is based on:
  • What does fentanyl do and how is it misused? - Mayo Clinic Press
    Fentanyl is an extremely powerful pain medication that can be lethal, even in small doses Learn what fentanyl is and how it is used and abused
  • Narcolepsy - Symptoms and causes - Mayo Clinic
    Overview Narcolepsy is a condition that makes people very sleepy during the day and can cause them to fall asleep suddenly Some people also have other symptoms, such as muscle weakness when they feel strong emotions The symptoms can have serious effects on daily life People with narcolepsy have trouble staying awake for long periods of time When narcolepsy causes a sudden loss of muscle
  • Bipolar disorder - Symptoms and causes - Mayo Clinic
    Overview Bipolar disorder, formerly called manic depression, is a mental health condition that causes extreme mood swings These include emotional highs, also known as mania or hypomania, and lows, also known as depression Hypomania is less extreme than mania When you become depressed, you may feel sad or hopeless and lose interest or pleasure in most activities When your mood shifts to
  • Anxiety disorders - Symptoms and causes - Mayo Clinic
    These feelings of anxiety and panic interfere with daily activities, are difficult to control, are out of proportion to the actual danger and can last a long time You may avoid places or situations to prevent these feelings Symptoms may start during childhood or the teen years and continue into adulthood Examples of anxiety disorders include generalized anxiety disorder, social anxiety
  • Coronavirus disease 2019 (COVID-19) - Symptoms and causes
    Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2 Learn more about the symptoms, risks and ways to protect yourself
  • Post-traumatic stress disorder (PTSD) - Symptoms and causes
    Overview Post-traumatic stress disorder (PTSD) is a mental health condition that's caused by an extremely stressful or terrifying event — either being part of it or witnessing it Symptoms may include flashbacks, nightmares, severe anxiety and uncontrollable thoughts about the event


















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