What Is Bipolar I Disorder? Bipolar I disorder (pronounced "bipolar one" and also known as manic-depressive disorder or manic depression) is a form of mental illness. A person affected by bipolar I disorder has had at least one manic episode in their life. A manic episode is a period of abnormally elevated or irritable mood and high energy, accompanied by abnormal behavior that disrupts life. Most people with bipolar I disorder also suffer from episodes of depression. Often, there is a pattern of cycling between mania and depression. This is where the term "manic depression" comes from. In between episodes of mania and depression, many people with bipolar I disorder can live normal lives. What Are the Symptoms of Bipolar I Disorder? During a manic episode in someone with bipolar disorder, elevated mood can manifest itself as either euphoria (feeling "high") or as irritability. Abnormal behavior during manic episodes includes: Flying suddenly from one idea

 Breast cancer is the most common cancer in women and is the second most common cause of cancer-related death. Despite the relatively high prevalence of this disease, breast cancer manifestations in the head and neck are relatively rare. Supraclavicular lymphadenopathy and bony metastases to the mandible and maxilla are the most common manifestation of breast cancer in the head and neck. Head and neck metastases are the first presentation of distant disease in approximately one-third of cases. The prognosis of breast cancer with distant metastases to the head and neck is generally poor, and the management of these lesions is controversial. Overall extent of disease and individual patient prognosis must guide treatment decisions. Atypical cases including maxillary sinus mass, jugular foramen mass, and dermal metastases are presented. Metastatic breast cancer is a rare diagnosis in the head and neck, yet metastatic disease from an infraclavicular primary deserves inclusion on any compreh

 Polycystic ovary syndrome Polycystic ovary syndrome (PCOS) is a health problem that affects 1 in 10 women of childbearing age. Women with PCOS have a hormonal imbalance and metabolism problems that may affect their overall health and appearance. PCOS is also a common and treatable cause of infertility. What is polycystic ovary syndrome (PCOS)? Polycystic ovary syndrome (PCOS), also known as polycystic ovarian syndrome, is a common health problem caused by an imbalance of reproductive hormones. The hormonal imbalance creates problems in the ovaries. The ovaries make the egg that is released each month as part of a healthy menstrual cycle. With PCOS, the egg may not develop as it should or it may not be released during ovulation as it should be. PCOS can cause missed or irregular menstrual periods. Irregular periods can lead to: Infertility (inability to get pregnant). In fact, PCOS is one of the most common causes of infertility in women. Development of cysts (small fluid-filled sacs)