Is weight loss as simple as calories in, calories out? In the end, it’s your gut microbes and leftovers that make your calories count

Is the adage “calories in, calories out” true? The short answer is yes, but the full story is more nuanced. From the moment food touches your tongue to the time…

What is metabolism? A biochemist explains how different people convert energy differently − and why that matters for your health

If you’ve spent any time scrolling through the health and wellness corners of social media, you’ve likely come across many products claiming to improve your metabolism. But what exactly is…