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Dr John Briffa's blog, A Good Look at Good Health — writing on food, cholesterol, weight, energy and the science behind everyday health, from the drbriffa.com archive. Filter by topic, browse by category, or search the library.

Researchers recognise the power of the placebo Food and Medical Politics

Researchers recognise the power of the placebo

Back in January I reported on some research which had discovered that of a sample of North American doctors polled on their prescribing habits, about half of them had prescribed placebos. The subject of the placebo effect in medicine came up again in this week’s copy of the British Medical Journal. The power of the […]

May 7, 2008· 4 min read· Dr Briffa
More evidence that ‘normal’ thyroid function tests do not necessarily mean that all is well with the thyroid and health Food and Medical Politics

More evidence that ‘normal’ thyroid function tests do not necessarily mean that all is well with the thyroid and health

Earlier this month, one of my blogs focused on thyroid function testing. The main point I wanted to make was that ‘normal’ thyroid function tests do not necessarily mean all is well with the thyroid and health. The blog focused on research that shows that even with the ‘normal’ range, higher levels of the hormone […]

April 30, 2008· 3 min read· Dr Briffa
Study links fruit juice consumption with increased risk of diabetes Diabetes/Metabolic Syndrome

Study links fruit juice consumption with increased risk of diabetes

While fruit juices have a healthy reputation, I don’t believe their as healthy as their image suggests. Some of the issues I have with them are detailed here. One key property of fruit juices that causes me to advise their consumption with caution is the fact that they tend to be very sugary indeed. Many […]

April 28, 2008· 3 min read· Dr Briffa
Review details why many carbs aren’t ‘harmless for the heart’ Healthy Eating

Review details why many carbs aren’t ‘harmless for the heart’

I don’t make any secret of the fact that I think the low-fat/high-carb paradigm that has seemingly shaped much nutritional advice for the last few decades is not founded in good science. And variously, on this site, I’ve presented the evidence that supports this stance. Some of this research has examined the distinct lack of […]

April 25, 2008· 5 min read· Dr Briffa
What can we learn from a man who undergoes an operation without anaesthetic? Brain and Behaviour

What can we learn from a man who undergoes an operation without anaesthetic?

When I was growing up, I was very interested in ‘unexplained’ phenomena like spontaneous human combustion and hypnosis. My interest in the former has waned somewhat, but my interest in the latter remains with me to this day. More than 20 years ago I went to see a stage hypnotism act while on holiday in […]

April 23, 2008· 4 min read· Dr Briffa
What are we to make of the recent warnings about antioxidant supplements? Food and Medical Politics

What are we to make of the recent warnings about antioxidant supplements?

Last week’s big ‘nutritional news’ was that taking certain nutritional supplements increases risk of death. Apparently. News headlines throughout the UK were awash with the reports of a study which found that the taking of ‘antioxidant’ nutrients (namely beta-carotene, vitamin A and vitamin E) in supplement form is associated with a statistically significant increase in […]

April 21, 2008· 6 min read· Dr Briffa
When is a ‘healthy’ food not a healthy food after all? Food and Medical Politics

When is a ‘healthy’ food not a healthy food after all?

Some of you may have noticed that I don’t believe much conventional nutritional ‘wisdom’, including the notion that some highly processed, relatively new-fangled foods are somehow ‘healthy’, and perhaps ‘better’ for us than those we’ve been eating for, say, hundreds of thousands of years. One commonly-employed tactic used by the food industry to convince us […]

April 18, 2008· 18 min read· Dr Briffa