Their immune systems were not used to diseases, as there weren't a lot of diseases at the time.
People of all ethnicities are vulnerable to autoimmune diseases. No one is immune.
High blood pressure
There have always been diseases among aboriginals that the Aboriginal treated with greater or lesser success. The real problem that the Australian Aboriginal had with disease however was brought to him with the white settlers in the form of such illnesses as measles small pox syphilis gonorrhea to name but a few, these people had no natural resistance to these infections and they decimated them.
Diseases affect everyone, but they are more likely to attack elderly people more as their immune system isn't as good as it once was. This puts them in a vulnerable position as opposed to people that are younger.
"Aboriginal health is affected by a modern diet high in fat with low nutritional value. Indigenous people in Australia have an increased risk diseases including diabetes, obesity and cardiovascular disease."
Foreign Diseases, from the Europeans, such as small fox decreased the native population greatly.
They are vulnerable to vulnerable people
They were changed because diseases came to Australia, so it decreased the population. Second the aboirigine ppl become more modernized
Aboriginal people are found and live in Australia.
aboriginal people were one of the first people
Aboriginal spears kill many animals and the aboriginal people cooked and ate! But some people steel aboriginal children and treat them terribly.
aboriginal people invent the canoe at midday