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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.

Does flu vaccination prevent death in the elderly? Apparently not Food and Medical Politics

Does flu vaccination prevent death in the elderly? Apparently not

Influenza vaccination is widely promoted, particularly the elderly. One argument for flu vaccination in the elderly is that it is said to reduce their risk of dying – primarily through its ability to prevent flu (which can be deadly) or a potentially deadly complication of flu such as pneumonia. Some evidence appears to show flu […]

March 30, 2012· 3 min read· Dr Briffa
Why the new ‘cholesterol-busting’ drug is nothing to get excited about Cholesterol and Statins

Why the new ‘cholesterol-busting’ drug is nothing to get excited about

Earlier this week saw the holding of the American College of Cardiology’s annual meeting in Chicago. Quite a lot of media interest in this scientific meeting centred on the drug currently going by the name of REGN727. It’s an injectable drug, and it lowers levels of supposedly unhealthy ‘LDL’ cholesterol. It does this, apparently, by […]

March 28, 2012· 3 min read· Dr Briffa
The placebo response. Who cares? Food and Medical Politics

The placebo response. Who cares?

The ‘gold standard’ method for testing the effectiveness of a treatment is the ‘randomised, placebo-controlled’ trial. Here, a group of individuals are randomly allocated to received an active treatment (e.g. a drug) or placebo (inactive pill). If the drug leads to benefits that are statistically more significant than any achieved with the placebo, the drug […]

March 28, 2012· 4 min read· Dr Briffa
If your vitamin D levels are low, what’s a useful starting dose? Nutrients and Supplements

If your vitamin D levels are low, what’s a useful starting dose?

I was talking with someone yesterday about his vitamin D levels. He had these tested recently and found these came in at 15 ng/ml (about 38 nmol/l). Personally, I like vitamin D levels to be maintained in the region of 50 ng/ml. So, I suggested he take 5,000 IU of vitamin D3 for three months […]

March 21, 2012· 3 min read· Dr Briffa
Got acne? Go primal Uncategorized

Got acne? Go primal

Acne is unheard of in populations eating a ‘primal’ or ‘paleolithic’ diet. This has caused some researchers, for example Loren Cordain (author of The Paleo Diet), to question what factors might be at play here. One prominent theory concerns the impact of eating carbohydrates that tend to be disruptive for blood sugar levels. These foods […]

March 20, 2012· 3 min read· Dr Briffa
Tom Naughton owns the nutritional establishment and give us hope for the future in just 20 minutes Food and Medical Politics

Tom Naughton owns the nutritional establishment and give us hope for the future in just 20 minutes

Tom Naughton used to be a full time stand-up comedian but, although he’s still funny, he’s spending more time these days spreading the word about what truly healthy eating is. He also produced the movie Fat Head (a revealing and entertaining watch if you haven’t seen it yet). Tom has a blog here. It’s one […]

March 19, 2012· 2 min read· Dr Briffa
Yet another study shows the superiority of lower-carb eating over low-fat Healthy Eating

Yet another study shows the superiority of lower-carb eating over low-fat

I came across this report yesterday. It concerns a study presented at the American Heart Association meeting in San Diego this week. From the report it appears that overweight individuals were randomised to one of two diets for 6 months (along with moderate exercise). ‘low-carb’: 30, 40, 30 per cent of calories from carbohydrate, fat […]

March 16, 2012· 2 min read· Dr Briffa
Red meat kills? It’s flagrant bias that’s killing me… Food and Medical Politics

Red meat kills? It’s flagrant bias that’s killing me…

This week the media has been awash with news about the perilous dangers of eating red meat, and processed meat in particular. The cause of this consternation was a study published in the Archives of Internal Medicine which analysed data from two large ‘epidemiological’ studies [1]. These studies basically followed people over many years monitoring […]

March 15, 2012· 6 min read· Dr Briffa
BMJ columnist holds doctors to a higher standard over industry payments Food and Medical Politics

BMJ columnist holds doctors to a higher standard over industry payments

Here in the UK the on-going ‘Leveson inquiry’ has been investigating the practices of the press, as well as its relationship with the police and politicians. It is alleged to have revealed illegal undisclosed payments made by the press to public officials. This is clearly intolerable and wrong but results from a cultural change. In […]

March 14, 2012· 3 min read· Dr Briffa
Coffee again associated with a reduced risk of diabetes Diabetes/Metabolic Syndrome

Coffee again associated with a reduced risk of diabetes

While coffee does not enjoy the healthiest of reputations, it has been consistently linked with a reduced risk of type 2 diabetes in the scientific literature. Back in February, for instance, a German study was published which found that individuals drinking 4 or more cups of caffeinated coffee each day had a 23 per cent […]

March 9, 2012· 2 min read· Dr Briffa