Food Health Lab
Independent guidance grounded in scientific evidence.
You asked. The evidence answered.
The newest additions to our Health Q&A — real questions put to the research, with every claim sourced.
Does Infrared Light Therapy Actually Work?
Infrared and near-infrared light claim to ease pain, speed healing and help your heart. Here's the real cell mechanism, and what randomized trials on neck pain, knee arthritis, skin and sauna bathing actually found.
Read the answer ->Which Nut Is Actually the Healthiest? - Food Health Lab
Walnuts, almonds, pistachios, Brazil nuts, macadamias and cashews compared on fat profile, antioxidants and carbohydrate content - and whether nutrition researchers actually agree on a single best nut.
Read the answer ->Does Soy Raise Women’s Estrogen Levels — and Is It Safe to Eat?
Does soy raise women’s estrogen levels? An evidence-based look at phytoestrogens, hormone studies, breast-cancer safety and the difference between soy foods and supplements.
Read the answer ->A new plate every day
One pick from our recipe collection, rotating daily — built on the same science as everything else here.
Feta and Olive Beef Patties with Roasted Potatoes
Juicy ground beef patties with feta and kalamata olives, served with rosemary-roasted potatoes, garlic yogurt sauce and a cucumber-watermelon salad.
Cook it ->Across more than 200 meta-analyses, 3–4 daily cups of coffee track with lower risk for several major diseases.
See coffee's report card ->Explore by area
Six areas with evidence-based guides, practical recipes and research updates.
Featured guides
A rotating pick of the deep-dives readers spend the most time with.
The food & supplements that actually help you sleep
What the evidence supports — and what to skip — for better rest.
Read the guide ->Vitamin D: the complete guide
Forms, dosing, deficiency signs and who genuinely benefits.
Read the guide ->LDL & heart health, without the panic
What cholesterol numbers mean and the diet moves that shift them.
Read the guide ->The latest research, briefly
Short, sourced updates from new studies — published most weekdays.
Struggling With Sleep in Older Age? New Review Reveals What Works Best
A comprehensive systematic review and meta-analysis identifies the most effective and safest strategies for managing insomnia in older adults, emphasizing non-drug approaches first.
Read the update ->Is Screen Time Really Bad for You? New Research Says It Depends
A comprehensive umbrella review suggests that the health impacts of screen time, from sleep quality to mental well-being, are not uniform but vary significantly based on how we engage with digital devices.
Read the update ->Tailored lifestyle program linked to lower calorie intake in obesity, but not randomized
Adults in a phenotype-tailored program reported eating fewer calories at 12 weeks than a standard-care group, but the trial was not randomized, so cause and effect are unproven.
Read the update ->Science first, always
Food Health Lab is built to be useful and honest — the standard we hold every page to.
Grounded in evidence
Every claim traces back to primary research or authorities like the NIH and EFSA — cited on the page, not asserted.
Made practical
The science is translated into what to actually do — doses, timing, food sources — without the hype.
Honest about products
We only recommend things we use ourselves, every affiliate link is disclosed, and it never changes the advice.