How much water should you actually drink in a day? It’s a common question with a ton of myths swirling around it. Is it really 8 glasses? Can you just rely on thirst to guide you? Let’s get into it.

Ultra-processed foods may be convenient, but they come with hidden costs that many of us overlook. We break them down here.

Saunas have been trending all over the news and social media, and we always get messages from viewers who are curious about the (proven) benefits of saunas. We answer it here.

hese tiny pieces of plastic end up in our food, our drinks, and even our air. This means that we all consume and breathe in plastic every day without ever knowing it (on average, we consume the equivalent of a plastic credit card…every week!). So the question is…as it accumulates in our bodies, what impact does all this plastic have on our health?

Kim Kardashian did it, but should you? Let’s talk about full-body MRIs. It's the health trend that everyone's talking about - and celebrities are posting about. So, is a full-body MRI the ultimate health check, or is it just another overhyped medical hack?

Measles has re-emerged, capturing attention across news outlets and social media as cases spread across the world. We are getting tons of questions about measles on our social media channels at The Feed with Dr. G! There is a lot of confusion out there, so we put together a video answering your most common questions.

You hear a lot about “gut health” all over social media – but what exactly is gut health? And is all this buzz actually warranted? Beyond the trends and hashtags lies a complex system which is at the core of our very well-being – the gut microbiome!

We have all heard of measles and mumps. But few people actually know what these diseases are. And there is a good reason for that. For a long time, these viruses had nearly disappeared thanks to extremely effective vaccines. But guess what? They’re baaaack….

You’ve seen it! People who go out and pay good money to dip their bodies into freezing cold water. Celebrities swear by it. People say it transforms their bodies and their minds. It’s called cold plunging. But what does science tell us? Are cold plunges actually good for you? Or is this just another fad? Let’s “dive in” to the science behind cold plunges.

Did you know that there's a vaccine that actually prevents cancer? It's true! The vaccine against HPV (human papillomavirus) very effectively prevents cervical cancer - the fourth most prevalent cancer among women globally (it also prevents some other cancers). This vaccine is now part of routine immunization in Canada and around the world - and with a little luck, it might essentially eradicate cervical cancer! That being said, a lot of kids have missed routine vaccines like this one due to disruptions from the pandemic. This is why it’s even more important to understand the benefits of the HPV vaccine (for both boys and girls) and how it works. So…let’s get into it.

Did you know that the battle against RSV, a significant yet often overlooked respiratory virus, has recently seen groundbreaking advancements? Just a few months ago, the first-ever RSV vaccine was approved for individuals aged 60 and over, marking a monumental step in public health. Additionally, a new vaccine now offers protection for the most vulnerable among us – our babies. Ultimately, this will affect each and every one of us.

Are you one of the countless individuals around the globe who've embraced yoga as a path to better mental and physical well-being? Yoga has captivated the hearts and minds of people worldwide (including me!), promising transformative benefits. But IS that promise true? What do we actually know about the health benefits of yoga? And I mean, what do we REALLY know - as in from objective scientific research? I reviewed the medical literature to get to the bottom of this…so come along on the journey and see what I found!

It's that time of year again when respiratory viruses are making their grand return. While COVID-19 has dominated for the last few years, don’t forget about the flu. You might not have gotten the flu shot before, but there are a ton of reasons to make it an annual routine. That’s especially true if you’re vulnerable to the flu, but it’s also true if you’re young and healthy…because…who wants to get sick?! Let’s dive into the flu vaccine - what it is, how it works, and why you should consider getting it this year.

The Burning Question: Do you really need the new COVID-19 vaccine? As a doctor and scientist, I often get asked, 'Do I need the new COVID vaccine?' 🤔 Here's the unfiltered truth: COVID-19 virus variants are continuously evolving. So, our vaccines need to evolve with them! And that’s exactly what this new vaccine is all about. Consider it an upgrade. Join me in this video as we delve into the world of ever-changing COVID-19 variants and why keeping your vaccine game strong is a smart move. Don't miss out on the facts you need to make an informed decision about your health!

Prepare for an exhilarating journey into the world of medical TikTok! Join Dr. G as he dives into some of the most unusual and interesting health-themed videos on TikTok. From DIY health hacks to people’s real-life health stories, be prepared to chuckle, raise an eyebrow, and gain insights in this enlightening reaction video! Don't pass up the chance for some entertainment (and learning!)...Let's dive right in.

Brace yourself for a wild ride through the world of medical TikTok! Join Dr. G as he dives into some of the most peculiar and eyebrow-raising health-related videos on the internet. From jaw-dropping home remedies to head-scratching advice, nothing is off-limits. Get ready to laugh, cringe, and learn in this eye-opening reaction video! Don't miss out on the fun…Let's get into it!

The sun is out, and people ask all sorts of questions about sunblock at this time of year. What should I look for in a sunblock? How will I know if it will protect me? And is it safe? In this video, we dive into the science behind sunblock, breaking down the top 10 things you need to know to stay safe in the sun. From SPF rating to UV spectrum to chemical vs physical sunblock, we don’t just scratch the surface…we go beyond the "what" and explore the "why" behind each key aspect. Let's get into it!

Are you one of the many people out there taking some sort of a vitamin or mineral supplement? The question is…do you truly require it, or is it merely a waste of money? Over half of the adult population in the United States consumes some form of dietary supplement, and this is largely the result of a $30 billion a year industry that has persuaded us that we need supplements for good health. But is this really true?

Do you ever wonder how your sleep affects your health? Well, science tells us how much your sleep, the pattern of your sleep, and the quality of your sleep all impact your health and your chances of disease. In fact, some studies suggest that these factors might even be linked to how long you live.

Just because you’ve seen CPR in the movies and on TV, it doesn’t mean you know how to do it! Let’s have some fun going through what Hollywood has gotten wrong, what they’ve gotten right, and the basics you need to know to save a life.

Artificial intelligence has become everywhere in our daily lives, and experts suggest that we have only begun to explore its full potential. One AI application that has garnered a lot of attention is ChatGPT. The question on everyone's mind is whether ChatGPT can substitute for a doctor. Let's get into it.

Do you have a warm-up routine before you exercise? Warm-ups (and stretching) are something we've always been taught to do - supposedly to improve athletic performance and to prevent injuries. But is this accurate? Let's talk about what science tells us about the pros and cons of warming up before exercise…and how to do it!

I always tell my patients that it’s never too late to quit smoking. No matter how long you’ve smoked for, know this – the minute you quit, you will start accumulating gains. So what happens to your body when you quit smoking? Let’s get into it!

Many people are asking about intermittent fasting – does it work? Or is it just another fad diet? Actually, science tells us that the benefits may extend beyond just weight loss. More than just a diet, in many ways this is a lifestyle choice. Want to learn more? Let's get into the science behind intermittent fasting!

Did you know that…at any one time, about half the world’s population is trying to lose weight. Yet, 95% of people who diet fail to lose that weight and keep it off!

We’ve seen tons of poisonings on TV and in the movies as it’s a pretty suspenseful and dramatic way of getting rid of a character! But the question is…are these poisonings anywhere close to reality? Or are they just…Hollywood magic?! Let’s get into it…from a real doctor's perspective.

Health Canada has approved the weight-loss drug Wegovy to reduce the risk of non-fatal heart attacks, drug maker Novo Nordisk says. But how does it work? Dr. Samir Gupta discusses Health Canada's decision.

How much water should you actually drink in a day? It’s a common question with a ton of myths swirling around it. Is it really 8 glasses? Can you just rely on thirst to guide you? Let’s get into it.

A new survey in the United States suggests that about 25 per cent of American adults suspect they have undiagnosed ADHD. Canada Tonight’s medical contributor Dr. Samir Gupta gives an overview of the possible risks of misdiagnosing ADHD.

Ultra-processed foods may be convenient, but they come with hidden costs that many of us overlook. We break them down here.

Nature, not nurture, accountable for ‘food fussiness,’ U.K. study suggests.

Ontario Reducing Drug Consumption Sites Won’t Reduce Users

Blood Tests to Screen for Alzheimer's Disease on the Horizon

Experts say increasing temperatures could lead to the spread of West Nile virus.

The CFIA is recalling several plant-based drinks over listeria concerns. Here’s what to watch for!

Saunas have been trending all over the news and social media, and we always get messages from viewers who are curious about the (proven) benefits of saunas. We answer it here.

Vaccine complications explained

hese tiny pieces of plastic end up in our food, our drinks, and even our air. This means that we all consume and breathe in plastic every day without ever knowing it (on average, we consume the equivalent of a plastic credit card…every week!). So the question is…as it accumulates in our bodies, what impact does all this plastic have on our health?

What to watch for in kids during a heat wave

Kim Kardashian did it, but should you? Let’s talk about full-body MRIs. It's the health trend that everyone's talking about - and celebrities are posting about. So, is a full-body MRI the ultimate health check, or is it just another overhyped medical hack?

Spike in Canadians Googling 'my eyes hurt' during and after solar eclipse

Measles has re-emerged, capturing attention across news outlets and social media as cases spread across the world. We are getting tons of questions about measles on our social media channels at The Feed with Dr. G! There is a lot of confusion out there, so we put together a video answering your most common questions.

You hear a lot about “gut health” all over social media – but what exactly is gut health? And is all this buzz actually warranted? Beyond the trends and hashtags lies a complex system which is at the core of our very well-being – the gut microbiome!

Invasive, aggressive cases of Group a strep soar to record levels in Canada.

B.C. launches Canada's first cervical cancer self-screening program using at-home tests.

Measles resurgence in Europe has Canadian medical experts on edge

We have all heard of measles and mumps. But few people actually know what these diseases are. And there is a good reason for that. For a long time, these viruses had nearly disappeared thanks to extremely effective vaccines. But guess what? They’re baaaack….

You’ve seen it! People who go out and pay good money to dip their bodies into freezing cold water. Celebrities swear by it. People say it transforms their bodies and their minds. It’s called cold plunging. But what does science tell us? Are cold plunges actually good for you? Or is this just another fad? Let’s “dive in” to the science behind cold plunges.

Ontario requires masking for long-term care home staff amid rise in COVID-19 outbreaks.

Did you know that there's a vaccine that actually prevents cancer? It's true! The vaccine against HPV (human papillomavirus) very effectively prevents cervical cancer - the fourth most prevalent cancer among women globally (it also prevents some other cancers). This vaccine is now part of routine immunization in Canada and around the world - and with a little luck, it might essentially eradicate cervical cancer! That being said, a lot of kids have missed routine vaccines like this one due to disruptions from the pandemic. This is why it’s even more important to understand the benefits of the HPV vaccine (for both boys and girls) and how it works. So…let’s get into it.

Did you know that the battle against RSV, a significant yet often overlooked respiratory virus, has recently seen groundbreaking advancements? Just a few months ago, the first-ever RSV vaccine was approved for individuals aged 60 and over, marking a monumental step in public health. Additionally, a new vaccine now offers protection for the most vulnerable among us – our babies. Ultimately, this will affect each and every one of us.

Are you one of the countless individuals around the globe who've embraced yoga as a path to better mental and physical well-being? Yoga has captivated the hearts and minds of people worldwide (including me!), promising transformative benefits. But IS that promise true? What do we actually know about the health benefits of yoga? And I mean, what do we REALLY know - as in from objective scientific research? I reviewed the medical literature to get to the bottom of this…so come along on the journey and see what I found!