causes of different health risks etc Flashcards
what is ozone depletion caused by
chemicals which are used in fridges and spray cans, the chemicals react and destroy ozone molecules
what happens if the ozone deplets
- more UV rays reach earth
- in 1985, hole in the ozone was found In Antarctica
what are the risk factors of skin cancer
- exposure to UV radiation
- outdoor workers
- fair skinned
what is maligmant meleonia
skin cancer
what about skin cancer in Australia
- 2/3 of the population are diagnosed
- 2,000 Australians die every year from it
what is cataracts
a form of eye damage which leads to blindness
what are the risk factors of cataracts
- geographical location - UV levels higher in tropics
- time of day (10am-2pm)
- alititude
- setting (snow,sand)
what about cataracts in developing nations
they cant afford prevention like sunglasses
what is thermal stress caused by
heat related mortality
what are the risk factors of thermal stress
- dehydration
- heatstroke
- overheating
what happened in France
-in 2003, they had a heat wave for 3 weeks causing deaths to exceed by 15,000
what is lyme disease
- it is the most common vector borne disease in temperate climates
- it is transmitted to humans by a bite of deer ticks
what is the zika virus caused by
a bite of mosquitos that causes a rash and pregnant women to give birth to babies with small heads.
where did the zika virus get found
in Africa but in 2014 it was reported in Easter island