The Jurua is the next great southern affluent of the Amazon west of the Purus, sharing with this the bottom of the immense inland Amazon depression, and having all the characteristics of the Purus as regards curvature, sluggishness and general features of the low, half-flooded forest country it traverses.
A sore throat and a raised, sandpaper-like rash over much of the body are accompanied by fever and sluggishness (lethargy).
Labored breathing or general feelings of sluggishness and lack of energy may warrant examination by a physician and testing of cholesterol.
Sluggishness may also be noted if a child's veins and arteries are consistently filled with higher than normal amounts of fatty substances that are not being metabolized by the body.
Symptoms included such things as mental sluggishness, loss of concentration, poor memory, irritability, lack of confidence, excessive worry, hypochondria, depression, obsession, suicidal tendencies, and senility.