
How long does caffeine really stay in your system?
There’s definitely a lot of individual variation. But knowing the half-life of caffeine is useful…especially if you actually understand what the half-life of a substance actually means.Related episode...
26 Nov 202511min

When “healthy eating” means eating more
840. Eating healthy is usually understood to mean eating less. So, what happens when you actually need to eat more—and everything you’ve learned about ‘good choices’ suddenly works against you?Related...
19 Nov 202510min

Getting the lead out (of your protein shake)
839. Lots of us rely on powders and shakes to meet our protein goals. A new report suggests that this could be exposing us to “concerning” levels of lead.Resources:Protein intake calculatorFDA Resourc...
12 Nov 202511min

Touching GRAS: What ‘generally recognized as safe’ really means
838. Are manufacturers using a regulatory loophole to sneak untested chemicals into our food? In this episode, we break down what GRAS really means, why it exists, and how the process works. Resources...
5 Nov 202512min

Can healthier soil make food more nutritious? Yes, but…
837. Regenerative farming focuses on improving the health of the soil. How does this translate into improved human health? It’s a bit more complex than you might think.Resources:Soil Health Academy Re...
29 Okt 202519min

This is your brain on blueberries (Reissue)
673. Can daily blueberry consumption actually improve your brain health? A 2022 study finds that daily blueberry consumption may help improve your cognitive abilities. But the researchers left one imp...
22 Okt 20257min

Is beef tallow a healthy fat?
836. Fast-food chains are frying their French fries in beef tallow instead of vegetable oil. Is this actually a healthier choice—or just clever marketing? Episodes mentioned in this episode: 185: Does...
15 Okt 202511min

Does Time-Restricted Eating increase heart risk?
835. A new study suggests that a short eating window more than doubles your risk of dying from cardiovascular disease. But is that really what the data shows?References:Association of eating duration ...
8 Okt 202512min



















