Class Notes (836,580)
Canada (509,856)
Health Studies (1,193)
HLTA02H3 (224)

2. Global Health and Nutrition.pptx

28 Pages
Unlock Document

Health Studies
Dan Silver

Global Health and Nutrition HLTB03 Lecture 2 M. Silver Outline Global Health Communicable Diseases  an infectious disease transmissible (as from person to person) by direct contact with an affected individual or the individual's discharges or by indirect means (as by a vector)—compare • airborne, blood, bodily fluids Non-communicable Diseases  A non-communicable disease, or NCD, is a disease which is not contagious. Risk factors such as a person's lifestyle, genetics, or environment are known to increase the likelihood of certain non-communicable diseases Nutritional Needs Throughout the Life course Communicable Diseases  an infectious disease transmissible (as from person to person) by direct contact with an affected individual or the individual's discharges or by indirect means (as by a vector)—compare  Leading cause of diseases around the world  Transmitted through many different properties such  airborne, blood, bodily fluids  Examples HIV/AIDS  Polio Influenza  Tuberculosis Malaria HIV/AIDS Human immune deficiency virus Effects the immune system, weakening it  Leads to greater chance of infections to occur AIDS: advanced stages of the HIV Incubation period of developing HIV intoAIDS has increased over the years Medical treatment prevents and slows down the process of transforming Transmitted through bodily fluid Can be concealed Does not always show up in blood tests 33 million people world wide are infected by HIV Highest rates in Africa Influenza Contagious respiratory illness  Avian Flu  Swine Flu  Flu Pandemics Mainly effects the very young and very old Caused by a viral infection virus Prevention: vaccination / hygienic percussion Zoonotic disease Adisease specifically transferred from animal to human Ex.Avian flue (Bird flue) Contact with domesticated animal population Can be transferred from contaminated surfaces Pandemic: globalized diseases outbreak Swine flu Disease that originate from pigs Normally do not infect the human population Pandemic  Determined by the spread of disease not by the ability to cause mortality (death)  Global disease outbreak  Considered to be a new type of influenza considered to be little or no immunity vaccination spread extremely fast with in close contact Malaria  Cause by the bite of a female mosquito  350 – 500 million people are infected and ill world wide  Kills over 1 million annually 9/10 deaths in in sub-Sahara Africa Usually effect kids under the age of 5 years old  Approximately 40% of the world’s population is at risk  Symptoms: Fever, headache, flu, abdominal pain, light headed Can cause coma  Treatment Bed nets to prevent mosquitos to get in Anti medical drugs 75% of infected population are not able to pay for treatment 3.2 million dollars spent on budget to cure malaria Polio Infectious disease: Invades the Neurosystem Causes life long crippling Tends to infect children under 5 Little concern in developed countries No cure There are 2 Vaccines but very costly Tuberculosis  Bacteria is spread through air from person to person  Impacts the bones creating big air sacs  Causing the bones to become brittle  Approximately 1/3 of the world’s population may be infected with TB  Can be lateen (does not always have physical features present)  Highest rates are in Africa (22 main land countries)  Reflects and correlates with the HIV/AIDS infected population  Treatment  Drugs which are used as antibiotics  Drug resistance has still not been developed Non-communicable Diseases  Due to chronic  Not caused by an acute infection  Cause long-term harm  The number one cause of death and disability in the world  Create a need for long-term (or even life-long) treatment  Can be prevented most of the time  Prevention methods: exercise / reduced alcoholic levels  Examples:  cancers, chronic respiratory, diseases  cardiovascular diseases, diabetes Tobacco Smoke  More deaths are caused each year by tobacco use than by all deaths from human immunodeficiency virus (HIV), illegal drug use, alcohol use, motor vehicle injuries, suicides, and murders combined.  Impacts every aspect of the human body negatively  Everyday there are about 400 under 18 years of age smokers  Approximately $10 billion spent in anti-smoking ads.  Smoking increases risks of … Coronary lung cancer (2x) Lung cancer (2x) Lung Cancer for women (13x) Global Health & Nutrition Inequalities in foo
More Less

Related notes for HLTA02H3

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.