Food & Nutrition

Deficiencies that are real, supplements that are not, and eating in a way you can keep up.

Evidence over trends, and honesty about how thin the evidence often is.

Diets, compared honestlyMediterranean, keto, fasting and plants, on the evidence

The in-depth guides

Are Seed Oils Bad for You? The Evidence, Calmly

A doctor reviews the seed oil debate: what trials show about canola, sunflower and soybean oil, where the toxic claim came from, and what to cook with.

10 min read· In depth

Can Supplements Damage Your Liver? Yes: Here Is the List

A doctor explains supplement liver injury: which products cause most cases, the early warning signs, how doctors catch it, and how to buy safely.

9 min read· In depth

Coffee and Your Health: What the Evidence Honestly Shows

A doctor reviews the real evidence on coffee: the mostly good news, why caffeine affects people so differently, blood pressure, sleep math, and who should cut back.

12 min read· In depth

Creatine: The Most Studied Supplement, Explained

A doctor explains creatine: what it does for strength and muscle, the safety evidence, who benefits most, and exactly how to take it.

10 min read· In depth

Do Longevity Supplements Work? NMN, Resveratrol, NAD and the Rest

What the human evidence actually shows for NMN, resveratrol, NAD boosters, taurine, spermidine and metformin, and the short list that is worth your money.

10 min read· In depth

Do Probiotics Actually Work? What the Evidence Says

A doctor sorts probiotic fact from marketing: where the pills help, where food beats them, and when the money is better spent on fiber.

10 min read· In depth

Iron Deficiency and Anemia: The Most Missed Cause

A doctor explains why ferritin matters more than hemoglobin, how iron deficiency causes symptoms before anemia appears, and when low iron needs investigating.

13 min read· In depth

Protein After 60: Why Older Adults Need More, Not Less

A doctor explains sarcopenia, why protein needs rise with age while appetite falls, how to spread protein across meals, and the foods that get you there.

11 min read· In depth

The Anti-Inflammatory Diet: What the Evidence Actually Supports

A doctor explains what chronic inflammation really is, which foods have genuine evidence behind them, what CRP can and cannot tell you, and why superfoods fail.

13 min read· In depth

The Mediterranean Diet: Why Doctors Keep Recommending It

A doctor explains the Mediterranean diet: what it actually is, the trial evidence behind it, what a day of eating looks like, and how to start cheaply.

9 min read· In depth

Ultra-Processed Foods: What the Evidence Shows

A doctor explains the NOVA classification in plain terms, what studies really show about ultra-processed foods, why they drive overeating, and honest swaps.

12 min read· In depth

Vitamin D Deficiency: Who Actually Needs Testing

A doctor separates what vitamin D really does for bones and muscles from what it has been oversold for, and explains who should actually be tested.

13 min read· In depth

Quick answers

Short, specific answers to the questions people actually type. Each one links back to the full guide.

Calcium and Bone Health: Food, Supplements, or Neither?A doctor explains how much calcium adults need, why food sources beat tablets for most people, who really benefits from supplements, and what protects bone.Do Multivitamins Actually Do Anything?A doctor explains what multivitamins do and do not achieve, which supplements have real evidence behind them, and who really benefits from taking one.Fiber and Gut Health: The Boring Answer That WorksA doctor explains how much fiber adults actually need, which foods deliver it, why adding it too quickly causes bloating, and when bowel symptoms need checking.How Much Protein Do You Actually Need?A doctor explains the real protein numbers: the minimum, the amount that helps with training, aging and weight loss, and whether high protein harms kidneys.How Much Water Should You Actually Drink?A doctor explains real daily fluid targets, why eight glasses is a myth, how urine color works, and how much to drink when working in heat.How to Read a Nutrition Label in Thirty SecondsA doctor explains the four numbers worth checking on any food label, why per-100g beats per-serving, and which front-of-pack claims mean nothing at all.Intermittent Fasting: Does It Beat Just Eating Less?A doctor looks at what head-to-head trials show about intermittent fasting versus daily calorie reduction, who it suits, and who should not try it at all.Magnesium Supplements: Hype Versus EvidenceA doctor separates what magnesium supplements really do for sleep, cramps and constipation from the claims that run well ahead of the evidence.Omega-3 Supplements: What the Evidence Actually SaysA doctor reviews what fish oil and omega-3 supplements do for triglycerides, heart risk and joints, who really benefits, and where the marketing runs ahead.Vitamin B12 Deficiency: The Symptoms and Who Is at RiskA doctor explains the symptoms of vitamin B12 deficiency, the blood levels that matter, who is most at risk, and why nerve damage can start before anemia.

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