The fish of the western population spend their entire lives offshore.
The effect of green tea on breast cancer risk in Western populations is less clear.
These things are not only harmful to Western population.
The western populations have also contracted over the years and the birds are now under threat throughout their range.
In the western population there are around 0.3 cases of Sezary syndrome per 100,000 people.
Western populations tend to rely more on leaves for their diet.
Gout affects around 1-2% of the Western population at some point in their lives and it is becoming more common.
Some western populations were spotless, although these have recently become extinct.
This area is marked by a decidedly lower population density than either the eastern or western populations.
The prevalence of psoriasis in Western populations is estimated to be around 2-3%.