Human- Health Flashcards
Where are the worlds highest mortality?
LDC- Sub-Saharan Africa.
Liberia, Niger and Sierra Leone all have death rates above 20 deaths per 1000 per year.
Where are some of the worlds lowest mortality rates?
Mexico- improved medical facilities and standards of living but not affected by diseases of affluence.
What is the pattern of HIV/Aids?
25/40 million of people with Aids live in Sahara- Africa.
5/7 million Aids cases in Asia are in India
What diseases affect MDC’s?
- Affluence (lifestyle choice)
- Obesity increasing in North America and Western Europe
Why is coronary heart disease decreasing?
- Better diagnosis
- Increased public awareness
- Better treatment
- Significant reduction in number of smokers. 60% cases occur in Newly industrialised countries such as India and China because of smoking.
What is the biggest cause of death in developing countries?
HIV-AIDs
What is the biggest cause of death in developed countries?
Heart disease
What is health?
A state of complete physical, mental and social well-being and not merely the absence of diseases and infirmity
What is morbidity?
Illness and the reporting of disease. In the Uk 2001 census respondents were asked how well they felt and whether they had a limiting long-term illness. Some diseases are so infectious that they must be reported by law e.g. Cholera, plague
What are the causes of death in developing countries?
1) Poor health infrastructure
2) Lack of education on how diseases are spread
3) Low incomes result in poor health choices/diet- compromised immunity
What are the main reasons for death in developed countries?
1) Longer lifespan- diseases of old age
2) Lifestyle- food style, sedentary
3) Healthcare- well developed
What is mortality?
The death of people. It is measured by a number of indices including death rate, infant mortality, case mortality and attack rate
What is infant mortality?
The number of deaths of children under the age of 1 per 1,000 live births per year. It is a useful direct measure of social and environmental conditions as it is sensitive to changes in either.
What is crude death rate?
The number of deaths per 1,000 people per yeart
What is a disease?
A bodily disorder preventing good health
- Characteristics signs and symptoms
- Simple or multifactorial cause
- Acute or chronic
How can we categorise disease?
- Part of the body affected
- Where it is found in the world
- Who it affects
Define endemic
An infectious disease that is always present in an area
Define epidemic
When a disease spreads quickly to affect large numbers of people in an area.
Define pandemic
An epidemic that spreads over a large area such as a continent or the world.
What does YLDs stand for?
Years lived with disability
What does DALYs stand for?
Disability adjusted life years- The sum of potential life lost due to premature mortality and the years of productive life lost due to disability.
What are some impacts of disease on health?
- Reduced life expectancy
- Death
What are some impacts of disease on economic development?
- Insurance and benefit costs
- Less taxes
- Net migration
- No employment
What are some impacts of disease on lifestyle?
- Dependence
- Community disruption
- Disability access
- Limitations e.g. driving
- Stress on family
When did Ebola first appear?
1976
Sudan and DR of Congo
How is Ebola spread?
- Close contact with the blood, secretions, organs or other bodily fluids of infected.
- Consumption of infected meet.
- Touching objects that have been in contact with someone infected.
What is the source of Ebola?
Fruit bats and then through the food chain.
What are the first symptoms of Ebola?
Fever Weakness muscle pain Headache Sore throat
What are the initial symptoms of Ebola followed by?
Vomiting Diarrhoea Rash Organ impairment Internal and external bleeding
What is the incubation period for Ebola?
2-21 days
Why has Ebola spread so easily in Sierra Leone?
Civil war- 1991-2002
Lack of infrastructure
Urbanisation
3 borders
Give some facts about Sierra Leone?
- 70% of its capital is a slum
- In 2010, only 13% of people had access to a proper toilet
- Only 43% of adults are literate
- 120 doctors provide for 6 million people- 50,000 patients per doctor.
Talk about the distribution of Ebola?
- No more than 10 cases in any individual country outside of Africa
- Nearly 10,000 people in Sierra Leone have had Ebola.
- No more than 100 cases in parts of Africa other than the West.
What are infectious diseases caused by?
- Pathogenic microorganisms such as bacteria, viruses, parasites and fungi
What are the impacts of Ebola on health?
- 50% people infected with Ebola die
- Patients contagious once they show symptoms
- Extremely unpleasant symptoms
What the impacts of Ebola on the economy?
- West Africa has urged tourists to keep visiting
- Safari tours down even in Kenya and tourism lower in South Africa.
What are the impacts of Ebola on lifestyle?
- People don’t want to go outside for fear of contracting Ebola
- Tribes separated by border and refugees from the civil war- borders closed- causes great anxiety as people cannot visit friends and family.
What have been the economic impacts of Ebola in Sierra Leone?
- UN estimates 47% of farmers work has been considerably disrupted by Ebola.
- 40% of farmers have abandoned their land.
- Seasonal workers not participating in harvest- push rural communities into poverty and create food shortages
- Most seriously affected area responsible for 18% rice output- 30% price increasep
What are the management strategies for Ebola?
1) community awareness/ acceptance
2) Safe burials
3) Contact tracing
4) Alert and surveillance
5) Medecins Sans Frontieres
6) Protective equipment
What are the key messages for community awareness (Ebola)?
Protect yourself
Protect your family
Protect your community
How do safe burials help the management of Ebola?
Health facility staff:
- prepare body safely
- Aware of family’s cultural and religious practices
- Help family understand practices
- Counsel
- Identify head family member to give instructions
What is contact tracing (Ebola)?
- Finding everyone who has come into contact with a sick Ebola patient
- Contacts watched for signs of illness for 21 days after they have been in contact with an Ebola patient
What is Medecins Sans Frontieres
Deployed 3,900 medical staff.
What is malnutrition?
- Condition resulting from dietary deficiency.
- Can be caused by the quantity of food, measured in calories per day. It may be too high or too low because certain important nutrients are absent or in oversupply in the body.
What is overnutrition?
- Choosing to eat more food than you need, even if you don’t realise it.
- The frequent or habitual overconsumptions of nutrients by eating too much food to the point that it becomes dangerous to your health.
What is undernutrition?
- Condition caused by consuming too little food over a period of time.
- Occurs when people do not eat enough nutrients to cover their needs for energy and growth, or to maintain a healthy immune system.
What is periodic famine?
- A repeated decline in the access to food due to a number of causes rather than there not being enough food.
- Can be localised and affect just one group or social class of people.
- Widespread scarcity of food, caused by several factors including crop failure, population unbalance or government policies.
- Not uncommon to see food available in markets and agricultural products being exported.
What were the causes of famine in Ethiopia 2000?
1) Drought
2) Conflict
3) Overpopulation
How did drought cause famine in Ethiopia?
- Prior to 2000, Ethiopia had suffered 3 years of drought- pastoral society dependent on agriculture.
- Ethiopia rarely manages to grow enough food to feed its population anyway.
How did conflict cause famine in Ethiopia?
- Dependent on food aid, which is delivered to ports in Eritrea before being transported to Ethiopia. As a result of war, Eritrea stopped the food trucks at they feared they would be used for the military.
- Due to war, there is a lack of investment in roads, healthcare, water supplies and electricity.
How did overpopulation cause famine in Ethiopia?
- Ethiopia’s population is rapidly increasing, so land is divided into increasingly small parcels.
- More marginal land is being used to grow crops therefore the soil has become exhausted of nutrients and soil erosion is a big problem.
What are the economic impacts of the Ethiopian famine?
- Shortage of food led to price rises. No money for healthcare and forced to sell key assets.
What are the lifestyle impacts of the Ethiopian famine?
- Children were removed from school as fees couldn’t be paid and they needed them to work.
- 1000’s of families moved to camps outside the cities due to the insupportable land.