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You've been told to drink eight glasses of water a day. You've chased 10,000 steps like it's some kind of biological law. You've checked your cholesterol without being entirely sure what you're actually checking for. Most health content tells you what to do. Nobody explains why. That's the gap So That's Why was made to fill. Each week, Jen, Chris, and Matt take one everyday health question — the kind that's been nagging at the back of your mind, or that you've just accepted without thinking — and unpack the actual science behind it. Where did this idea come from? What's really happening inside your body? And does the evidence actually hold up? What they find is often surprising. The 10,000-steps rule was invented by a Japanese marketing team in 1964. The eight-glasses-of-water recommendation came from a misread document. The reason some people turn tomato-red when they exercise has nothing to do with fitness — it's about blood vessel density. The thing that makes you cry when you chop onions was only properly understood in 2002. Cholesterol is in every single cell of your body — so why the terrible reputation? The science is real, the research is specific, and the conversations are genuinely fascinating. And the three people having them have the backgrounds to get it right. Jen holds a PhD in biochemistry and molecular biology. She asks the questions you're thinking — informed ones, not naive ones — and keeps the conversation grounded in the human experience of all this biology. Chris is a formulation scientist with over 30 years of experience. He's read the studies, knows the mechanisms, and has the analogies that make complex biology actually click. Matt looks at the science and asks what it means for real people, with real lives, real schedules, and no time for perfectionism. Together they hit that sweet spot between too technical to understand and so simplified it's not actually true anymore. Getting there, it turns out, is harder than it sounds. So That's Why doesn't give you a list of rules to follow. It doesn't shame you for the things you haven't been doing. It explains the mechanism — the actual biology — so you can make decisions that fit your life, rather than just following advice that might not apply to you at all. Episodes run about 20 minutes. They're built for commutes, workouts, or cooking dinner. By the end of each one, you'll be able to explain the answer to someone else — which is the whole point. New episodes every week. Subscribe and find out why.
Unknown Host hosts So That's Why.
Your body cannot manufacture Omega-3. And yet roughly 40% of the brain's grey matter is built from it — making it one of the most important nutrients most of us consistently underestimate. In this episode, Jen, Chris, an
Show notesHair doesn't turn grey — every strand grows out of the follicle completely colourless. So when greying happens, what's actually failing is the system that was adding colour all along. In this episode, Jen, Chris, and Jam
Show notesWe all know we shouldn't scroll before bed — but has anyone actually explained why blue light disrupts sleep? In this episode, Jen, Chris, and Matt unpack the biology behind one of modern life's most common habits. Speci
Show notesLactic acid has been blamed for sore muscles for decades. The science says otherwise — and the real explanation is far more interesting. In this episode, Jen, Chris, and Matt unpack the truth behind delayed onset muscle
Show notesWhy does an unpronounceable ingredient feel more dangerous than arsenic — which is completely natural? In this episode, Jen, Chris, and Matt unpack the psychology and science behind food ingredient fear, from chemophobia
Show notesYou're completely full. And yet twenty minutes after dinner you're standing in front of the fridge, staring down a slice of cake. Sound familiar? Up to 97% of people experience food cravings — but almost nobody understan
Show notesNearly 90% of adults consume caffeine daily — yet most have no idea why it gradually loses its punch. If your morning coffee used to change your day and now just stops you feeling terrible, there is a biological reason f
Show notesYour body can make Vitamin D from sunlight — so why is nearly half the global population still deficient in it? In this episode of So That's Why, Jen, Chris, and Matt unpack what Vitamin D is actually doing inside the bo
Show notesCholesterol is in every single cell in your body — yet it's also called "the Silent Killer." In this episode, Jen, Chris and Matt unpack why the same molecule that keeps you alive can silently damage your arteries for de
Show notesThat irritable, short-fused feeling when you've missed a meal has a name — and it turns out "hangry" is backed by serious science, not just a lack of willpower. In this episode, Jen and Chris are joined by Jamie for a de
Show notesWhy do onions make us cry every time we cut them — and why does cooking them make the problem disappear completely? About 70% of people experience significant tearing when cutting onions, and no matter how many you've ch
Show notesBrain fog affects over a quarter of us — yet it isn't actually a medical diagnosis. So what's really happening inside your brain when thinking feels like wading through treacle? In this episode, Jen, Chris, and Matt unpa
Show notesThe ingredients on your supplement label that aren't the vitamin? They're not "fillers" and they're not there to cut corners. Most people don't know what these extra ingredients actually do, or why they're necessary. In
Show notesMost of us have stood next to someone at the gym and wondered: why are they barely glistening while we look like we've run through a sprinkler? The answer is more fascinating than you'd expect — and it completely reframe
Show notesThink going red during exercise means you're unfit? The science says otherwise. Exercise induced facial flushing has virtually no correlation with fitness level, and it might actually signal a more efficient cooling syst
Show notesThink you need to hit 10,000 steps every day? That target didn't come from a doctor or a clinical study. It came from a 1964 Japanese pedometer marketing campaign. In this episode, Jen, Chris, and Matt trace the surprisi
Show notesLess than 1% of the population genuinely needs less sleep. The rest of us claiming to be fine on four or five hours? We're most likely accumulating something called sleep debt, and our brains have become numb to the dama
Show notesThe "eight glasses of water a day" rule has been repeated so often it feels like biological law. But what if the whole thing started with a misunderstanding? In this episode, Jen, Chris, and Matt trace the eight-glasses
Show notesHealth advice is everywhere — but almost nobody explains why. Meet the team changing that. In this launch episode of So That's Why, hosts Jen, Chris, and Matt introduce the podcast that takes everyday health questions an
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So That's Why is hosted by Unknown Host. The show is categorised under Education (science) and has published 0 episodes.
So That's Why regularly covers Education, Science, Life. It sits in the Education category, with a science focus.
So That's Why is accessible for guests with genuine education expertise. A personalised, episode-aware pitch will still outperform a generic one every time.
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Episodes of So That's Why average 16 minutes. a focused format where a clear narrative arc and tight preparation matter most.
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