130 likes | 233 Views
Health Related Causes of Undernutrition. Text extracted from The World Food Problem Leathers & Foster, 2004. http://www.lastfirst.net/images/product/R004548.jpg. Health and Nutrition. Poor nutrition leads to poor health AND Poor health leads to poor nutrition Vicious cycle.
E N D
Health Related Causes of Undernutrition Text extracted from The World Food Problem Leathers & Foster, 2004 http://www.lastfirst.net/images/product/R004548.jpg
Health and Nutrition • Poor nutrition leads to poor health • AND • Poor health leads to poor nutrition • Vicious cycle Girl with Marasmus in Darfur, Sudan http://www.drfletcherinafrica.co.uk/marasmus4.jpg
http://www.usaid.gov/our_work/global_health/nut/images/malnutrition_chart.gifhttp://www.usaid.gov/our_work/global_health/nut/images/malnutrition_chart.gif
Infections also cause Malnutrition • Loss of appetite • Intolerance of food • Cultural factors • Substitution of less nutritious diet when sick • Body loss of protein • Used to fight infection http://www.sikhspectrum.com/112006/images/u2.gif
Disease and dietary deficiencies • Keratomalacia: Blindness • Vitamin A deficiency • Scurvy: Soft gums • Vitamin C deficiency • Beri-beri: Nerve inflamation • Vitamin B1 deficiency • Pellagra: Skin disorder • Niacin deficiency • Anemia: Blood disorder • Iron, B12 deficiency Pellagra http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/18103.jpg
Diarrhea and Nutrition • Diarrhea most common infection causing undernutrion • Kwashiorkor induced by diarrhea • Worst in children under 5 • Diarrhea reduces • Water • Salts • Fatal if dehydration > 15% • 60-70% diarrhea deaths caused by dehydration http://www.ghi.com/WebMD/topics/diarrhea.jpg
Causes of Diarrhea • Rotavirus • Cholera • Shigella • Samonella • Parasites • Etc. http://203.190.254.12/picture/HSB41_Ban_03.jpg http://203.190.254.12/picture/HSB41_Ban_03.jpg
Rotavirus Diarrhea http://www.brown.edu/Courses/Bio_160/Projects2004/rotavirus/Images/globaldistribution.jpg
Oral Rehydration Therapy • Diarrheal salt loss cannot be corrected by drinking salt water • More fluid pulled from body into intestine • If add sugar to salt, • sugar crosses intestinal lining • pulls salt into body Signs of dehydration http://www.wikieducator.org/images/6/61/Signsdehydration.jpg
Oral Rehydration Therapy • “The cheapest and most effective health intervention that can be implemented in the home to decrease childhood mortality” • UNICEF Diluted salt water with sugar http://ec.europa.eu/research/headlines/images2/cholera_rehydrate.jpg
Malnutrition Exacerbates Infection • Philippine children with respiratory infection were 13x more likely to die • if malnourished • Malnutrition aggravates • Intestinal diseases • Worms • Parasites Philippine Children http://www.bbc.co.uk/birmingham/content/images/2007/05/15/main_riverside_children203_203x152.jpg
Malnutition Exacerbates Infection • Malnutrition most common cause of immune system deficiencies • Decreases in • white cell response • Interferon • skin integrity • Mucous membranes • Tissue replacement, repair • Children with PEM • Atrophied thymus • poor T cell production White blood cell surrounded by red blood cells http://www.sciencemuseum.org.uk/antenna/cancerkillers/images/cells.jpg
Malnutrition reduces Stamina • Reduced capacity to cope with life • Reduced job performance • Reduced income for • Healthcare • Transportation to clinics • Medicines Uganda Health Clinic http://www.doctorsforafrica.org/images/mulanda_health_centre.jpg