Dr. Masao Tomonaga
speaker
116 appearances
1 recordings
1 series
first heard Aug 2026
last heard 6 Aug
Dr. Masao Tomonaga’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 1 in all, peaking in Aug 2026 with 1.
Appearances
Actually, we first observed leukemia increase in the first 20 years, but leukemia began to decline gradually.
We thought this was the end of radiation effect on human being, but it was not true.
Around this 20 years phase, cancer, solid cancer, such as lung cancer, colon cancer and so on, began to increase among many survivors.
So it continues long, very long, until present time.
And other than leukemia, we've discovered that in 1980s, almost 40 years after atomic bombing, another disease, which is similar to leukemia but quite different disease of
the elderly people, elderly leukemia began to increase.
That name is myelodysplastic syndrome.
The abbreviation is MDS.
This is the first discovery in Hiroshima and Nagasaki.
This is continuing now.
So after 80 years, radiation effect is continuing.
Yes, surprising, surprising.
So we decided to begin research on why such a long-time induction of malignant diseases by radiation actually happens.
There must be some mechanism.
For this, we finally discovered that those radiations cause genetic abnormality in each cells of organs.
And some of the such cells are called stem cells, very primitive.
primitive cells, which every day produce red cells, white cells, and so on.
But still, these cells are not leukemia cells.
This condition continues for more than 60 years, 70 years.
some of them began to develop actual MDS.
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