@DrScottLear

Professor, blogger and podcaster supporting people to live healthier lives through science. Living with heart disease. Recovered from depression.

 Vancouver, British Columbia
linktr.ee/Drscottlear
Joined March 2017
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1.9KMedia
I'm also on Threads @drscottlear and i post there more often. Come over and follow me.
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Your circulatory system (arteries and veins) is more than 10,000 km long. About the distance from Tokyo to New York. #FridayFunFact
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Just in time for Halloween.🎃 Sugar makes foods sweet and delicious. But too much sugar can lead to health problems. In this blog I discuss what sugar is, why too much is problematic and ways to reduce sugar in your diet. #nutrition #health drscottlear.com/2026/10/21/h…

How bad is all that sugar?

Sugar makes foods sweet and for many of us makes them delicious. It’s an important energy source for our bodies. It’s what we use when we’re doing vigorous activities and it’s the primary source of...

drscottlear.com
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Our paper on ultra-processed foods and brain health is out.🎉🎉 In this cross-sectional study of 8783 adults, higher intake of UPF was associated with brain injury on MRI but not cognition. This is consistent with UPF being associated with stroke. jamanetwork.com/journals/jam…
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There are literally 1000s of ways you can move your body and be active. Find one you enjoy and you're more likely to stick with it. #MondayMotivation
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Finger and toenails don't continue to grow when a person dies, rather, the skin retracts due to dehydration making it look like the nails are longer. #Halloween #fridayfunfact
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Is 10,000 steps per day the magical number? What started as a campaign for a pedometer in 1960s Japan has become a target for many walkers. There's no doubt that walking is good for your health, but you may not need 10,000 steps. #health #fitness
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Two truths and a lie Tuesday. Which is the lie? 1. A short scare may be good for you. 2. 10,000 steps is the magic number for everyone. 3. A ten minute walk after lunch can prevent the afternoon slump. #health #Halloween
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Frozen fruits and vegetables are just as nutritious (and sometimes more so) as fresh. #FridayFunFact #health
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With advances in farming and processing, many of the foods are frozen at the source and are actually fresher than the same food that has been stored and transported to the grocer.
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Do you need to get 10,000 steps per day? What started out as a marketing ploy is now a focus of health and fitness. In this blog I discuss the science behind counting steps and whether upping your step count is right for you. drscottlear.com/2026/10/07/s…

Should I get 10,000 steps per day?

Science-based, health promotion or marketing ploy? If you have some sort of exercise watch or gadget, most likely you’ve heard of the goal to get 10,000 steps each day. Even if you don’t, you...

drscottlear.com
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Two truths and a lie Tuesday. Which is the lie? 1. More people have two or more chronic diseases than just one. 2. When you help others, your body releases oxytocin. 3. Exercise has to hurt to be of value. #health #fitness #mentalhealth
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Structured exercise programs improve survival in those with cancer. This analysis of 21 studies comparing structured exercise with no ex, found a 23% reduction in death over 5 years. bjsm.bmj.com/content/60/18/1…
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Your future self will thank you for being active now. #MondayMotivation
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Optimism is associated with longer life span. #FidayFunFact
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This is believed to be due to biological and behavioural paths. Optimistic people have less anxiety and stress, and are less likely to have chronically high cortisol. Optimistic people tend to have healthier behaviours, such as regular activity, better nutrition and no smoking.
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Approximately 1 in 10 seniors have dementia. While there is no cure, addressing a number of common risk factors and health behaviours can dramatically lower your chances of getting dementia later in life. thelancet.com/journals/lance…
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The fall brings its own challenges and opportunities to keep up with your summer health living routine. In this blog I discuss the opportunities that the autumn months provide. #health #healthyliving drscottlear.com/2026/09/23/k…

Keep up Healthy Living in the Fall

September marks a month of change. Kids head back to school and people return to work from vacation. The days get shorter and the air begins to feel a bit crisper. While January is the official start...

drscottlear.com
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Two truths and a lie Tuesday. Which is the lie? 1. People in communities with sidewalks walk more. 2. You only use 10% of your brain. 3. Squash are a good source of antioxidants, fibre & vitamins. #health
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Terry Fox: "I just wish people would realize that anything's possible if you try; dreams are made possible if you try." #MondayMotivation
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The length of your large and small intestine is between 15-20 feet (4.6-6.0 metres). #FridayFunFact
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