Soon after the Fukushima accident last month, I stated publicly that a nuclear event of this size and catastrophic potential could present a medical problem of very large dimensions. Events have proven this observation to be true despite the nuclear industry's campaign about the "minimal" health effects of so-called low-level radiation. That billions of its dollars are at stake if the Fukushima event causes the "nuclear renaissance" to slow down appears to be evident from the industry's attacks on its critics, even in the face of an unresolved and escalating disaster at the reactor complex at Fukushima.
Proponents of nuclear power – including George Monbiot, who has had a mysterious road-to-Damascus conversion to its supposedly benign effects – accuse me and others who call attention to the potential serious medical consequences of the accident of "cherry-picking" data and overstating the health effects of radiation from the radioactive fuel in the destroyed reactors and their cooling pools. Yet by reassuring the public that things aren't too bad, Monbiot and others at best misinform, and at worst misrepresent or distort, the scientific evidence of the harmful effects of radiation exposure – and they play a predictable shoot-the-messenger game in the process.
1) Mr Monbiot, who is a journalist not a scientist, appears unaware of the difference between external and internal radiation
Let me educate him.
The former is what populations were exposed to when the atomic bombs were detonated over Hiroshima and Nagasaki in 1945; their profound and on-going medical effects are well documented. 
Internal radiation, on the other hand, emanates from radioactive elements which enter the body by inhalation, ingestion, or skin absorption. Hazardous radionuclides such as iodine-131, caesium 137, and other isotopes currently being released in the sea and air around Fukushima bio-concentrate at each step of various food chains (for example into algae, crustaceans, small fish, bigger fish, then humans; or soil, grass, cow's meat and milk, then humans).  After they enter the body, these elements – called internal emitters – migrate to specific organs such as the thyroid, liver, bone, and brain, where they continuously irradiate small volumes of cells with high doses of alpha, beta and/or gamma radiation, and over many years, can induce uncontrolled cell replication – that is, cancer. Further, many of the nuclides remain radioactive in the environment for generations, and ultimately will cause increased incidences of cancer and genetic diseases over time.
I wrote about the debate between the doctor and Monibot last week. I felt that Helen Caldicott more than attempted to start a conversation with him. She wanted a dialogue.
If you reflect on that debate, you may remember his insisting repeatedly that he wanted to talk.
But he didn't talk, did he?
He was unable to have a conversation with the doctor because he showed up (on Democracy Now!) with his talking points. I have no respect for him. If he weren't bought and paid for by the nuclear industry (I believe he is), then he had the perfect opportunity to learn. But he didn't want to talk to Dr. Caldicott. He wanted to lecture and to repeat talking points.
Helen Caldicott is the real deal and has decades to prove it. Monibot is a toll.
This is C.I.'s "Iraq snapshot" for Wednesday: