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You get your blood test results back. Everything’s “normal.” But what does that actually mean, and is normal the same as good?

Has spring finally sprung? With the days getting longer, there are more possibilities for getting outside — and even a few minutes of fresh air might be more beneficial than you think.

In this special Q&A episode, Charlie and Greg answer your most-asked questions spanning nutrition, caffeine, and sleep.

The idea is undoubtedly exciting—a DNA test to unlock your genetic blueprint, providing clear instructions on what supplements to take and how to eat. But the reality is that DNA methylation tests have critical limitations, and they may not deliver what they promise. 

There’s a particular kind of tired that sleep doesn’t fix. You wake up exhausted, your concentration dips before lunch, and you can’t quite explain why.

How optimistic do you feel right now? The world is a messy place at the moment, and anyone could be excused a little pessimism every time they look at what’s happening in the news cycle.

I'll just have a quick look on Instagram, you think, as you open the app and begin scrolling. In the space of what feels like a few cat videos, an hour has gone and you're wondering where the morning went.

Dr. Lucia Aronica, an epigenetics and nutrigenomics scientist at Stanford University School of Medicine, discusses why personalised nutrition matters, and what the evidence actually shows about whether one-size-fits-all healthy eating really works.

If you're tracking your cholesterol, you might be missing an important number. While LDL has been the gold standard for decades, a growing body of research suggests ApoB is a more accurate predictor of cardiovascular disease risk.

"We usually say the six months in space are more or less like 10 years on Earth," explained Dr Filippo Ongaro, a physician who worked with the European Space Agency. The accelerated bone and muscle loss these astronauts experience provides unique insight into how we can stay strong as we age.

You can see what’s on your plate, but you can’t see what’s in your blood. We analysed anonymised blood test data from Thriva users to find out how what you eat really shows up in your blood and whether supplements are closing the gaps.

Life gets busy, your week fills up, and the run you’d planned doesn’t happen. By Sunday, you’re trying to cram a week’s worth of exercise into one session. 

Dr Vishal Shah, Thriva's Chief Medical Officer and a GP by background, explains why establishing a baseline is one of the most important things you can do for your long-term health, and how to actually do it.

You might’ve felt post-yoga clarity: the sense that your mind has gone quiet and your focus has sharpened.

Most of us have a surprisingly inaccurate picture of what we actually eat. Research consistently shows that dietary recall is unreliable: people forget items, misjudge portions, and sometimes report foods they never consumed. 

Our home blood tests are clinically validated to produce results equivalent to a venous blood draw at your GP. The difference is in how the sample is collected, not in the accuracy of the result.

Should you take probiotics? It’s a question that’s hard to avoid when shelves in supermarkets, pharmacies, and health food shops are bursting with probiotic products claiming to boost your gut health. But are the pills, yoghurts, and powders actually worth your time and money?

Wondering whether you actually ovulated this month? A progesterone blood test—often called the day-21 test—gives you a direct answer by measuring the hormone that rises after ovulation. Here's what it involves, what your results mean, and what to do if things aren't where you'd expect.

There’s no shortage of health advice out there, but how much of it actually works? Cold plunges, glucose monitors, protein timing, strength training, avoiding microplastics… How do we figure out what’s worth our time? Now, there’s a method.

Professor David Spiegel, Associate Chair of Psychiatry at Stanford University and a leading researcher on hypnosis, stress, and mind-body medicine, joins Greg and Charlie to explore the science of stress and the practical tools that can help us manage it.