POP UP-KNOWLEDGE IN DEPTH- (click on pellagra, beriberi, or scurvy)

PELLAGRA, BERIBERI, AND SCURVY ARE NUTRITIONAL-DEFICIENCY DISEASES. PELLAGRA IS THE RESULT OF AN INSUFFICIENCY OF NIACIN, ONE OF THE B VITAMINS. THE EARLY SIGNS OF IT INCLUDE WEAKNESS, POOR APPETITE, DIGESTIVE DISTURBANCES, NERVOUSNESS, ANXIETY, AND DEPRESSION. PAINFUL SWELLING OF THE TONGUE, DERMATITIS, AND SEVERE INFLAMMATION OF MUCOUS MEMBRANES THROUGHOUT THE BODY MARK THE LATER STAGES. BERIBERI RESULTS FROM AN INSUFFICIENCY OF THIAMINE, OR VITAMIN B(1). SYMPTOMS INCLUDE GASTROINTESTINAL DISTURBANCES,EDEMA, INFLAMMATION AND DEGENERATION OF NERVES; AND MUSCULAR WAEKNESS. IT MAY LEAD TO HEART FAILURE, AND ULTIMATELY, DEATH. SCURVY IS A DISEASE CAUSED BY DIETARY DEFICIENCY OF VITAMIN C. THE DISEASE IS CHARACTERIZED BY FRAGILITY IN CAPILLARIES, RESULTING IN SUBCUTANEOUS BLEEDING, DEGENERATION OF CARTILAGE, LOOSENING OF TEETH, AND JOINT AND BONE PAIN.