Friday, October 27, 2006

The value of flu shots

My elderly but very active mother has always been sceptical of the benefit of flu vaccination, and every winter takes pleasure in pointing out which of her family and acquaintances have succumbed to the "flu" despite having had the shot that year. (I continually point out that there is a difference between a heavy cold and the flu, but never get far with this argument.)

However, it seems that some doctors also question the value of the flu vaccination programs, and even the evidence for their value in the elderly is a bit all over the place:

Only among people who suffer bronchitis could he find good evidence that flu vaccination was worthwhile. In infants up to two, vaccination was no better than placebo and in older children there was little evidence of benefit.

Nor could he find enough evidence of benefit among people with chronic chest problems, asthma and cystic fibrosis.

In healthy adults the best evidence was that, on average, flu vaccination of a population would prevent 0.1 per cent of a working day lost.

Combined studies of the elderly showed a variation from no effect to a 60 per cent difference when "all cause mortality" was measured.

"These findings are both counter-intuitive and implausible as other causes of death are far more prevalent in older people," he writes.

Score one for my mother?

Disturbing things to do with dogs

"Shanghai Dogs implanted with chips" is the heading of a Science Daily story of no particular interest, except it made me think "well, better than being served with chips."

Such thoughts are encouraged by the fact that I currently work with 2 people who recently told me that they have both eaten dog and highly recommend it, taste wise. (In fact, one of them says he knows how to get it in Brisbane.) I have pointed out that if ever he is caught in a raid of a dog banquet at a Brisbane restuarant, it would get a spectacular amount of publicity which would hardly be good for his career.

I have also vowed never to let him order in a restaurant where I can't understand what is going on.

It is sort of interesting to note the difference in cultural attitudes to eating dog, and how it is hard to overcome the repulsion which you know a fair slab of the rest of the world just doesn't get.

Adams and Masters talk about sex, presumably

Phillip Adams had Chris Masters on his radio show last night but I missed it. It will be repeated today at 4pm, but I will probably miss that too. The show is available on line, but no transcript.. This should be interesting, given Adams' previous column about Jones which I criticised here.

Thursday, October 26, 2006

Pelican Lector

Breaking news: a pelican goes mad in London and (wait for it) - eats a pigeon! The gruesome details in The Times, complete with slightly suspicious looking photo.

Snide Masters

The piece in the Australian this morning by Tim Barton, a person who gets a mention in Chris Masters' work of pseudo-freudian journalism on Alan Jones, is worth reading. This section sums up the case against Masters perfectly:

Masters justifies his exploration of Jones's sexuality on the basis that he couldn't ignore the elephant in the room, that "the masking" of Jones's "apparent homosexuality is a defining feature of the Jones persona" and that Jones's "concealment of his sexuality" preserves "a dishonest power base".

I suppose any proponent of this apparently Freudian approach to journalism could argue that a person's sexuality is a defining feature of persona. Perhaps Masters's own sexuality or sex life, whatever that may be, along with his relationship with his mother and his feelings towards his father, are relevant to his persona, including his public role as a journalist.

But even if drawing such a long bow made sense, does that legitimise the dumping of conventions of privacy and fairness? I don't think so. On Masters's analysis, any person with a power base who chooses not to talk about their sex life is somehow dishonest and therefore fair game. Forget that no wrongdoing is involved and forget that the allegations are speculative.

What's also amusing is how Masters snidely draws Tim Barton into the picture he wants to paint of Jones.

Even I am caught in the crossfire of Masters's calculated and facile innuendo. Jonestown's first reference to me describes a "slim, artistic youth". Good gracious, I wondered, was my persona about to be deconstructed or did Masters simply think the shirt I wore on the only occasion we have met was particularly snazzy? Who knows what constitutes his definition of artistic? But, arguably, Masters's curious adjectives are sufficiently charged to send certain readers' minds in particular directions.

Thanks, Chris. Not.

More seriously, Barton then cites a clear factual matter where Masters is wrong in the book, and despite Barton having clearly told him the correct version.

I wonder if Masters if feeling the pressure about all this, or is he just laughing all the way to the bank? His credibility is suffering.

Wednesday, October 25, 2006

The "one planet" lifestyle

The Guardian also notes this from the World Wildlife Fund:

The world's ecosystems are being degraded at an unprecedented rate, and by 2050 humans will need at least two planets' worth of natural resources to live as they do now, the conservation group WWF warned today.

If everyone lived as Britons did, three planets would be needed to sustain the world's population, the group said....

"A commitment to one-planet living must include a commitment by the UK government to adopt ecological footprint as a sustainable development indicator and set targets for year-on-year reduction.

"Otherwise, one-planet living is at risk of becoming just another overused soundbite with no teeth."

Hey, who said we could never use other planets' resources? Start with putting an big sail on an asteroid and bring it to near earth permanent orbit. Go to the moon and see how humans like it there. (Would at least be a great sports venue.) Try terraforming Venus, no one else is using it. (Probably won't work for a million years, but will be fun watching what happens.)

Not enough imagination at the WWF.

New male contraceptive

The Guardian reports on early research linking excessive mobile phone use to lower sperm counts and quality in men. Someone should now do an international comparison between mobile phone use and infertility in different countries. Would be interesting, even if completely inconclusive.

Tuesday, October 24, 2006

The balanced ABC

Phillip Adams does the predictable and hyperventilates today about a renewed attempt to make the ABC more politically balanced:

Focusing on perhaps 5 per cent of its output, critics will conduct frenzied attacks on the organisation and a handful of individuals within it, demanding balance and accountability.

I am curious as to where he gets the 5% figure from.

I've said before that local ABC radio (at least the Brisbane version of it) displays little in the way of political bias. In other States it is different: Sydney has Richard Glover, used to have John Doyle (I think), and Melbourne still has Jon Faine: all broadcasters with clear Labor leaning sympathies. But Radio National, Phillip's own treasured turf, displays balance by this line up of presenters:

Phillip Adams: I understand he made his riches via the most readily criticise-able aspect of modern capitalism (advertising). Now devotes much of his 4 hours of radio each week to left-ish commentators who are critical of capitalism. Also gets to recycle his views in the feverishly unbalanced News Limited media. Like much of Radio National, also has an international audience via Radio Australia and the WWW. (Some voice in the wilderness, hey). Often tells us lately how successful his podcasting is going. Doesn't write books about how stupid belief in God is, just brings it up directly or indirectly in his newspaper columns about once a month. (Hey, it's a guess, but maybe as accurate as his 5% figure.)

Terry Lane: seems to have had an hour a week forever to spout his Phillip Adams-esque views on life. Also a strident atheist who writes books about how silly belief in God is. Also is straining to be heard because of a weekly newspaper column in The Age.

Robyn Williams: 20 year fixture as host of The Science Show. Athiest. Writes books showing why religion is stupid.

Stephen Crittenden: runs the Religion Report, and seems to have spent an inordinate amount of time on the issue of gays in the church. Googling him tonight seems to have confirmed that he is openly gay. (Not that there is anything wrong with that, at least if you are a political conservative.)

Geraldine Doogue: been a floating fixture around the ABC on TV and radio forever and a day. A Catholic, but, I suspect, one with very liberal leanings. Can't find much to confirm that yet, but I am sure the evidence is out there!

Paul Collins: frequent commentator on religion. Ex Catholic priest who now worries a lot about ecology.

Fran Kelly: adequate enough host of morning show, but not as good at keeping bias in check as previous host Peter Thompson.

Radio National identities in whom I have not really identified anything clearly indicating a left wing bias: Norman Swan and Alan Saunders.

Radio National presenters with clear conservative-ish reputation: Michael Duffy. (Maybe he is just more of a general contrarian.) Has one hour a week. The show has been on for about a year.

Get the picture here?

A Lefty can still be a good broadcaster; and clearly it doesn't stop me listening to their shows. But there is nothing evenly vaguely resembling a fair range of political and social opinion in the staff of taxpayer funded Radio National, and further moves to balance this up can only be good.

Oh no

ABC broadcaster Maxine McKew won't be with the ABC much longer. I've always liked her as an interviewer and current affairs host. Despite the fact that she's been living with (now married to, apparently) senior Labor figure Bob Hogg, she has always seemed to me to be a more balanced interviewer than Kerry O'Brien or Tony Jones.

I am surprised that she is 53. She wears it well. Here's a photo of her from 2003:

The SMH profile of her from which that photo is taken was very interesting. In fact, I was only telling someone last week how this snippet from that story had stuck in my mind:

During the hungry years of her early career, McKew's private life was not good "There were a lot of Heathcliffs. A lot of 'bad, mad and dangerous to know'.' Hogg was a revelation. He was "a lovely grown-up".

"I had never met a man who had milk in the fridge that hadn't passed the use-by date, or a clean bathroom or fresh flowers on the mantelpiece. It was the way he looked after himself. It was grown-up."

I remembered this because I found it hard to imagine her going out with "bad men". (It also makes Bob Hogg sound like a big girl, which is kind of funny too.)

I hope I remember to watch her last Lateline, whenever that may be.

Monday, October 23, 2006

Appleyard blogs

I discovered over the weekend that Bryan Appleyard has a blog.

He is a bit of an odd character, and can come across as fairly pompous, but his 1992 book "Understanding the Present" impressed me, even though it suffered by a sudden infusion of Wittgenstein at the end.

Anyway, his views seem never to be entirely predictable, which makes him an interesting read.

The problem with stem cells

Nature has a story that explains the problems with attempted stem cell treatment of Parkinson's Disease, which always seems to be the disease most mentioned as being potentially curable by such treatment.

The problem is cancer caused as a side effect.

I also saw most of an SBS Insight program about therapeutic cloning and stem cell research a few weeks ago. It was interesting to see at least some medical experts expressing scepticism of stem cell treatment:

JENNY BROCKIE: Jack Martin, you're former director of St Vincent's Institute of Medical Research. Do you share this optimism about stem cell research?

JACK MARTIN, FMR. PROF. OF MEDICINE, MELBOURNE UNIVERSITY: No, I have to say I don't. And I would take issue with quite a number of things that Elizabeth Finkel has just said. She's implied that there has been proof of concept of efficacy of embryonic stem cell therapy in a number of diseases and mentioned Parkinson's disease, spinal cord injury and diabetes, and that is absolutely untrue. There are temporary and partial improvements in chemically induced Parkinson's disease in rodents and in a couple of monkey studies, and in no case has this been prolonged and in no case has it been a long enough.. It's either been associated with a serious complication of cancer teratoma formation or it's not been carried out for long enough to determine whether that's been avoided or not.

Of course, there were others present who were much more optimistic than this.

Sunday, October 22, 2006

Not a happy picture

This lengthy essay on the recent history of the Middle East in the Economist is pretty good reading. The article argues that all of the "threats to global order" that have come from there in the last 60 years have one thing in common:

They have all been, in essence, resistance movements, inspired by a seemingly unquenchable popular urge to challenge the dominant perceived injustice of the day, whether it be European colonialism, Zionism, American hegemonism or the grip of local governments charged with selling out to the West.

The most reliable populist cry today remains “resistance”. Sudan's strongman, Omar al-Bashir, blasts the proposed deployment of UN troops in Darfur as the spearhead of a new Western crusade. The Shias and Sunnis in Iraq may be fighting each other for dominance, but the call to “resist” the American occupiers and the weak (though elected) government they sponsor wins passionate followers to both camps. Hizbullah rouses region-wide cheers for bloodying Israel's nose. Clearly, although times have changed, this dynamic has not.

What has changed is that the call to resist now inspires unprecedented enthusiasm, galvanising many disparate political streams at once, secular and nationalist as well as Islamist. The religious element, boosted by the great revival that has swept Muslim societies across the globe, adds a scriptural drumbeat to the call. And lately the impulse to resist has also been strengthened by the failing prestige of traditional countervailing forces—America, the moderate governments in the region and the liberal-minded minority of their citizens.



Generally, my feeling is that the essay is too fast to point the finger at the USA and Israel, at the expense of any substantial mention of the social and political dynamic within the countries that has resulted in a group of nations with vast material resources having such unhappy citizens. Still, worth reading.

Dill

Serial sleeping driver George Michael sings the praises of marijuana. Problem solved for the advertising executives trying to come up with the next anti-drugs campaign.

Thursday, October 19, 2006

In space, no one can hear you scream...(except for fellow astronauts)

An interesting article in New Scientist about "etiquette" recommendations to future space tourists. Much of it is obvious (be tidy to help prevent tensions with the other astronauts), but this risk of motion sickness drugs I had not heard before:

Space sickness will likely be a big issue for novice space flyers – even highly trained test pilots still get queasy in the new environment of microgravity. Buckey says medication will probably be part of the solution.

When NASA scientists started giving anti-motion sickness drugs to students who flew experiments on the C-9 aircraft that simulates weightlessness, they noticed a much lower rate of motion sickness than in students who had not taken the drug.

But the drug they inject to quell space sickness, promethazine – sold under the brand name Phenergan, has its own set of problems. In space, Phenergan has been linked to urinary retention. Four crew members have had to have catheters inserted into their bladders during spaceflights.

On the odd medical front

Slate's Human Nature column has two surprising stories in it at the moment:

1. A medical journal article cited refers to the complications of tongue piercing as having included brain abscess, heart infection, tetanus, dental damage. OK, so I knew about the dental damage before, but brain abscess and heart infection!

2. There are some cases of pre-schoolers hitting puberty. As Slate summarises it:

Suspected factors: 1) Adult use of Andro, testosterone skin creams, and "prohormone" sprays that are passed to kids by contact; 2) estrogen in cosmetics; 3) shampoos with estrogen or placental extract; 4) industrial byproducts in food made from contaminated animals. Internet sales pitch: Buy our cream, and we'll guarantee your erections. Fine print: And we'll throw in a few more for your first-grader.

Hey, I wonder if Zoe Brain has ruled out a change in shampoo as being the cause for her transformation. :)

Wednesday, October 18, 2006

Pressure in the biosphere

Wired has a short interview with Jane Poynter, who was one of the 7 people who locked themselves up in Biosphere 2 in the 1990's.

Apparently they stayed there for nearly 2 years, which is longer than I recall. I don't remember this aspect of the experiment getting much publicity:

Throughout their stay, short tempers, depression and even the specter of insanity kept life interesting for the "biospherians." In her new book, The Human Experiment: Two Years and Twenty Minutes Inside Biosphere 2, Poynter gives an insider's view of the famous experiment.

It might be a fun read, just to hear about the psychological effects.

Daniel Pipes on modern war

Daniel Pipes' column here is quite interesting about how the world has changed. An extract:

....the solidarity and consensus of old have unraveled. This process has been underway for just over a century now (starting with the British side of the Boer War in 1899-1902). As I wrote in 2005: "The notion of loyalty has fundamentally changed. Traditionally, a person was assumed faithful to his natal community. A Spaniard or Swede was loyal to his monarch, a Frenchman to his republic, an American to his constitution. That assumption is now obsolete, replaced by a loyalty to one's political community - socialism, liberalism, conservatism, or Islamism, to name some options. Geographical and social ties matter much less than of old."

Sounds about right to me.

Mysterious weapons still around?

The Guardian revives the issue of whether some new weapon is being used by Israel on Palestinians in Gaza. I posted about this some months ago, expressing considerable scepticism at the time.

This new article adds a little:

"Bodies arrived severely fragmented, melted and disfigured," said Jumaa Saqa'a, a doctor at the Shifa hospital, in Gaza City. "We found internal burning of organs, while externally there were minute pieces of shrapnel. When we opened many of the injured people we found dusting on their internal organs."

It is not clear whether the injuries come from a new weapon. The Israeli military declined to detail the weapons in its arsenal, but denied reports that the injuries came from a Dense Inert Metal Explosive (Dime), an experimental weapon.

Aljazeera.net has a version of the story too.

Both articles say that a Dime is in fact intended to have a small blast area, thereby reducing the collateral (human) damage. If it does in fact do that, it's a good thing, isn't it?

Anyway, the Guardian quotes some Israeli figures as denying that there is any new weapon at all. Some Italian journalists are sending off some material from wounds for testing. I guess we should know sooner or later if there is any hard evidence about this one way or another.

Hold the caffeine, mother to be

A surprising finding reported in Nature, that even low doses of caffeine taken by pregnant mothers seem to have a developmental effect on their kids, at least in rats:

To see how the cellular changes were affecting behaviour, the Michigan team took baby rats whose mothers had been caffeined-up and ran them through a series of behavioural tests. Nunez says that the animals showed no cognitive defects, but were more active and less inhibited than those whose mothers had not received caffeine.

The rats were more willing to explore new environments, for example. When placed in a small dark space with an opening into a larger lit area, it took control animals around 4 minutes on average to emerge. But the caffeine rats left after an average of just 25 seconds.

Other tests showed similar, if less pronounced, changes. The rats were more likely to explore exposed environments, and spent more time interacting with other animals.

"You have an animal that doesn't know when to stop," says Nunez.

Anyone thinking ADHD in human kids?

Tuesday, October 17, 2006

Is it politics or theology - or both

A pretty pessimistic article from TCS Daily argues that Islamic fueled terrorism is both politically and theologically motivated, and that means there is not that much the West can do to settle down the troubles any time soon. It's a good review of the different sides of this debate, anyway.