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Dr. John B. Medical Doctor

Specialty: Internal Medicine
London, California
Dr John Briffa qualified as a doctor from University College London Medical School in 1990. A prize-winning medical student, he also completed an intercalated BSc degree in Biomedical Sciences during his medical studies. Since graduating, Dr Briffa has developed a special interest in nutritional... Full Bio
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Walking versus running by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine I recently read an interesting editorial in the Journal of American College of Cardiology about the relative benefits of walking and running [1]. The editorial is partly ... Read on »
Article reveals unseen cause of bias that risks compromising the evidence-base for statins and... by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine The supposed ‘gold standard’ method of medical research is the ‘randomised controlled trial’. What this means in drug therapy research is that a group of individuals are ... Read on »
Not all men with symptoms of an enlarged prostate have an enlarged prostate. What’s going on? by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine When men middle-aged or elderly men have some difficulty with urination, their doctor’s attention will usually focus on their prostate – the gland that encircles the pip ... Read on »
How accurate are Professor Collins’ claims about the rates of muscle problems with statins? by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine I have written more than once about Professor Sir Rory Collins. He leads the Cholesterol Treatment Trialists collaboration in Oxford, UK. Periodically, this group takes ... Read on »
Why the device that counts the number of bites of food we take in a day is unlikely benefit health... by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine I came across this story today, which talks about the device that counts the number of bites of food individuals take over the course of the day. The idea appears to be ... Read on »
Evidence links higher cholesterol with lower risk of death in older individuals by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Cholesterol in the bloodstream is carried within protein-rich packages known as ‘lipoproteins’. These come in two main types, so-called ‘low-density lipoprotein-choleste ... Read on »
Can getting more sun help protect against dementia? by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Alzheimer’s disease is a form of dementia, and its cause is likely to be ‘multifactorial’ and even vary considerably between individuals. However, on thing that appears ... Read on »
Has Professor Collins’ call for BMJ ‘statin’ papers to be retracted backfired... by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Professor Sir Rory Collins is one of the most strident advocates of statin therapy, and also leads a ‘research group’ known as the Cholesterol Treatment Trialists collab ... Read on »
The UK Government encourages health checks, but the evidence suggests they do no good at all by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine On the face of it, health checks can seem like a bit of ‘no brainer’. If you accept an invite from your doctor to attend for a ‘health MOT’ (the MOT is the annual test o ... Read on »
More evidence that ‘modifying’ cholesterol does not necessarily have broad benefits... by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Higher levels of so-called ‘HDL-cholesterol’ is associated with reduced risk of cardiovascular issues including heart disease and stroke. This finding has led to the wid ... Read on »
Is shift work a risk factor for type 2 diabetes? by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Type 2 diabetes rates are on the up, and there is real concern within the medical community that we are seeing something of a ‘diabesity’ epidemic that has considerable ... Read on »
Can we assume the reductions in cholesterol translate into benefits for health? by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine The aorta is the major blood vessels that carries blood from the heart to other parts of the body (except the lungs). Sometimes, individuals can be born with a narrowing ... Read on »
Article questions the validity of labelling and treating people with ‘pre-diabetes’ by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Type 2 diabetes is a condition characterised by raised levels of glucose in the bloodstream, and its diagnosis is generally made when blood glucose levels are higher tha ... Read on »
Review highlights to potential for statins to negate the benefits of exercise by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Those keen to optimise their cardiovascular health and reduce their risk of heart attack and stroke may well, in addition to ‘eating right’, take steps to ‘take exercise ... Read on »
Magnesium supplementation found to improve physical function in older women by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Elderly people tend to be less physically able than younger ones. Walking speed, for instance, and the speed with which they rise from a chair, tend to decline in later ... Read on »
French food agency sceptical about the benefits of cholesterol-reducing foods by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Many readers will be familiar with cholesterol reducing ‘functional foods’ such as margarines and yoghurt drinks. These foods and ‘enriched’ with ‘stanols’ or ‘sterols ... Read on »
Low-carbohydrate diet shown to have considerable potential to protect against type 2 diabetes by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Type 2 diabetes is a condition characterised by generally elevated levels of blood sugar (glucose), usually as a result of ‘insulin resistance’ (insulin not doing its bl ... Read on »
How do statin proponents deal with debate? They stifle it. by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine Last month, one of my blog posts featured a letter written by a group of doctors, expressing their concerns about the mooted expansion of statin therapy. The letter deta ... Read on »
Review finds that ‘filling up on fruit and veg’ to promote weight loss does not work by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine At the tail end of 2012, I wrote a blog post about the impact of emphasising fruit and vegetables in the diet. ‘Filling up of fruit and veg’ is often recommended as a we ... Read on »
More evidence points to statins as a potential cause of heart failure by Dr. John B. Medical Doctor Posted in: Blog Posts in General Medicine The debate about the safety of statins continues to rage, with some researchers claiming that they are essentially no more harmful that placebo. In reality, though, the ... Read on »