Joy Erdile, MSc, RD

Introduction A new large-scale study looking at data from more than 4,000 COVID-19 patients in New York City found that outside of older age (>75 years), obesity was the single most significant risk factor contributing to hospitalization and critical care [1]. This reinforces findings that in people under the age of 60, obesity poses a … Read more

Introduction As covered in the preceding article, we now know from US data between March 1-30, 2020, that older adults and those with hypertension (high blood pressure), obesity, diabetes, and CVD are at an increased risk of requiring hospitalization should they contract Covid-19, but a new study finds that so are young people with obesity. … Read more

Introduction It is well-known that older adults are at greater risk of complications from COVID-19, but few realize that the majority of those hospitalized in the US [1] have common underlying medical conditions. These comorbid conditions include high blood pressure, obesity, diabetes, and cardiovascular disease. While we focus on physical distancing and hygiene, we must … Read more

Introduction Note: This article is a follow-up to previous reports regarding the presence of COVID-19 in Vancouver and federal recommendations for outbreak preparedness. On February 24, 2020, Provincial Health Officer Dr. Bonnie Henry identified a seventh case of COVID-19 in BC. This case involves a man in his 40s who was a close contact of … Read more

Introduction Note: This article is a follow-up to previous reports regarding COVID-19 in the Vancouver area. This article includes updates posted on February 23rd, 2020. Provincial Health Officer Bonnie Henry announced on February 20th that a woman in her 30s returning from Iran is British Columbia’s sixth case of the novel COVID-19 coronavirus. This case … Read more

Introduction The American Diabetes Association (ADA) has released its Standards of Medical Care in Diabetes (2020) [1]. This update reinforces the April 2019 Consensus Report, emphasizing that there is no “one-size-fits-all” eating pattern for diabetes management. Instead, the ADA underscores that Medical Nutrition Therapy (MNT) must be individualized to the patient. The ADA explicitly recommends … Read more

Introduction Many people say they plan to lose weight or lower their blood sugar, pressure, or cholesterol in the New Year, but the difference between a “wish” and a “resolution” is having a plan in place to actually do it. Wish or Resolution? A “wish” is really just a hope that something will occur, whereas … Read more

Introduction Historically, “when we eat” was a non-issue; we ate when it was daylight and food was available, and we fasted when it was dark. With modern lighting and refrigeration, our “day” lasts as long as the lights are on, and food is available around the clock. To understand the current science of meal timing, … Read more

Introduction There are two large-scale meta-analyses — one from 2013 and the other from 2017 that indicate that Vitamin D supplementation can reduce the risk of getting an upper respiratory infection (URI) including influenza (“the flu”). Studies Showing that Vitamin D Attenuates the Flu The first study by Bergman et al [4] analyzed data from … Read more

Introduction There is much “push back” when it comes to the standard advice to “eat less and exercise more” as a means of losing weight, and for good reason. For one, metabolism will slow as a result of caloric restriction—making it that much more difficult to lose weight when deliberately cutting calories. Another reason is … Read more

Introduction In the first two articles of this series on Small Intestinal Bacterial Overgrowth (SIBO), I covered what SIBO is, its prevalence, symptoms, and the various diagnostic tests used to identify it. I also discussed why Irritable Bowel Syndrome (IBS) that does not improve with standard dietary changes may actually be SIBO. In this third … Read more

Introduction In the first article of this series about Small Intestinal Bacterial Overgrowth (SIBO), I covered what SIBO is, how common it is, and its primary symptoms. If you haven’t read that introduction yet, it provides essential context for our discussion. In this second article, I cover the different tests used in diagnosing SIBO, exploring … Read more

Introduction I used to believe that SIBO was a condition that only alternative medicine practitioners, such as naturopaths, identified and treated. I thought it wasn’t a real diagnosis at all, and it seems I was not alone in this belief. This is the first article about SIBO, outlining what it is, its symptoms, and its … Read more

Introduction Note: This article is not one of my usual Science Made Simple posts, but a commentary regarding an interaction that occurred on social media. Yesterday, I posted a photo on Instagram, Facebook, and Twitter of some fresh chicken that I had bought and prepared. Real food is a perfectly normal topic for a Dietitian … Read more

Introduction A migraine is more than just a severe headache; it is a debilitating condition often accompanied by nausea, vomiting, sensitivity to light and sound, and sometimes a preceding aura. For many, these episodes are linked to a reduced ability to clear the amino acid tyramine, a condition known as tyramine intolerance. In individuals with … Read more

NOTE: This article was written and posted on August 4, 2019, and was completely updated on April 19, 2026. Introduction Doctors are often hesitant to order blood tests for post menopausal women who report being more tired or having more hair loss than usual, simply because these women no longer have a period. While menstruation … Read more

This article was written on July 23, 2019, and was completely updated and reposted on May 1, 2026. Practitioner’s Preface Mast Cell Activation Syndrome (MCAS) is an immunological disorder in which a partial degranulation of mast cells is triggered by specific foods, heat, emotion, and physical stimuli, due to the abnormal sensitivity of mast cells, … Read more

NOTE: This article was written and posted on July 21, 2019, and was completely updated and expanded on December 29, 2025. Introduction Digestive issues that result from milk consumption are often attributed to lactose intolerance, but research indicates that it may be the result of an intolerance to a specific type of protein found in … Read more

Many people mistakenly believe that arthritis is a normal part of the aging process, but many older adults never get it and most of the people that are diagnosed with it are under the age of 65 years old. In fact,  2/3 of those diagnosed are not seniors, and some include children. US statistics report … Read more

According to the scientific literature to date, there are three ways of putting type 2 diabetes into remission, but an article that was widely circulated on social media earlier this week implied that a ketogenic diet ‘cures’ type 2 diabetes. The article was titled “What If They Cured Diabetes and No One Noticed?”[1] and said; … Read more

Constipation is one of the most common problems that people face, with between 2 and 28% of the population in Western countries reporting having this [1-3]. In 2007 in the United States, 19.4% of people reported problems with chronic constipation[4] and in Canada between 15% and 27% of people reported having sought health care support for … Read more

Quite a few physicians that I know that recommend a low-carb diet to their patients have mentioned to me that those who had previously been diagnosed with Irritable Bowel Syndrome (IBS) and who suffered for years reported significant improvements within a short time of adopting the dietary changes and have asked me why. That is the … Read more