More light is put on how the disease starts.
Apparently 5% accounts for genetic propensity
Stroke, heart attack, arteries blockages could start the rest and one I did not hear before is lack of oxygen.
In a sense stroke, heart attack, arteries blockages all restrict oxygen flow, but until now it wasn’t connected that any prolonged oxygen shortage can trigger the disease.
Some experiment carried out on mice, proved that there is definite link, and oxygen starved mice for about a month, developed symptoms.
If taken up by Mount Everest climbers seriously, this alone might stop the mountain area pollution with hundreds of spent oxygen bottles.
If not, they might in future assist in disease study.
