Influenza (Flu). The flu is an infectious disease that causes symptoms such as fever, cough, sore throat, headache, muscle aches, and chills.The annual flu vaccine can prevent most of the circulating influenza strains.Read about flu symptoms, and learn more about the flu shotÂ».nfluenza (Flu). The flu is an infectious disease that causes symptoms such as fever, cough, sore throat, headache, muscle aches, and chills.
Bipolar disorder, also known as manic-depressive illness, is a brain disorder that causes unusual shifts in mood, energy, activity levels, and the ability to carry out day-to-day tasks.Symptoms of bipolar disorder are severe.They are different from the normal ups and downs that everyone goes through from time to time. Bipolar disorder symptoms can result in damaged relationships, poor job or school performance, and even suicide.ymptoms of bipolar disorder are severe. They are different from the normal ups and downs that everyone goes through from time to time. Bipolar disorder symptoms can result in damaged relationships, poor job or school performance, and even suicide.
Bipolar disorder is a mood disorder in which feelings, thoughts, behaviors, and perceptions are altered in the context of episodes of mania and depression. Previously known as manic depression, bipolar disorder was once thought to occur rarely in youth.ipolar disorder is a mood disorder in which feelings, thoughts, behaviors, and perceptions are altered in the context of episodes of mania and depression. Previously known as manic depression, bipolar disorder was once thought to occur rarely in youth.