Hypothyroidism (Definition) The thyroid gland is an endocrine organ located in the front part of the neck. Its role is to make thyroid hormones, which control the way cells use energy. Hyperthyroidism results when the thyroid gland is overactive and too much thyroid hormone is produced, which speeds up metabolism. This results in weight loss, a quick heartbeat, sweating, nervousness, and changes in mood. ...Read more.
Influenza Symptoms Influenza (also known as the flu) is a contagious respiratory illness caused by flu viruses. It can cause mild to severe illness, and at times can lead to death. The flu is different from a cold. The flu usually comes on suddenly. People who have the flu often feel some or all of these symptoms: Fever* or feeling feverish/chills. Cough. Sore throat. Runny or stuffy nose. Muscle or body aches. Headaches.
Influenza has a rapid onset and pronounced symptoms. After the influenza virus invades a personâs body, an incubation period of one to two days passes before symptoms appear. For most people flu symptoms begin to subside after two to three days and disappear in seven to ten days. However, symptoms like coughing and fatigue may persist for two or more weeks.