Older woman with glasses reading the label on a supplement bottle at a pharmacy counter

Vitamin B6 Side Effects: How Much Is Too Much

Vitamin B6 side effects are unusual among vitamins: the mechanism is well established, the harm is nerve damage, and the safe limit is far lower than what many supplements contain. Vitamin B6 sits in almost every B-complex and energy supplement on the shelf, usually with no warning attached, which is how an overdose happens by … Read more

Read More

Woman wrapped in a white snowflake-patterned blanket on a cream sofa blowing her nose into a tissue

What to Eat When Sick, and the Feed a Cold Myth

Knowing what to eat when sick mostly comes down to three things that were actually tested — and one very popular habit that the trials do not support. What to eat when sick is one of those questions where everyone has an answer and almost nobody has a source. There are, as it happens, large … Read more

Read More

Close-up of a person outdoors in black sportswear pressing both hands against their abdomen

Bloating: What Actually Works, According to Trials

The bloating aisle is full of probiotics. The largest American gastroenterology body says not to use them for this. What did work in a trial was a short walk. Bloating is one of the commonest reasons people visit a gastroenterologist, and one of the most heavily marketed-to symptoms there is. The trial evidence points somewhere … Read more

Read More

Person covering a baking tray with aluminum foil on a dark kitchen island

Is It Safe to Cook With Aluminum Foil? What the Tests Show

Aluminum foil is safe for some uses and measurably not for others. The research separates them clearly, and one common habit is worse than roasting in it. Aluminum foil — aluminium foil outside the United States, and tin foil to almost everyone regardless of spelling — sits in almost every kitchen drawer and attracts a … Read more

Read More

Pile of brown potatoes with small pale sprouts emerging from the eyes

Sprouted Potatoes: When They Are Safe to Eat

Sprouted potatoes are usually fine. Green ones are not. The distinction is the whole answer, and most advice blurs it. Sprouted potatoes get thrown away by the sackful on a rule that is half right. The official guidance is more specific than “when in doubt, bin it”, and the word that decides it is not … Read more

Read More

Slices of salami and cured ham arranged on a wooden board with sprigs of thyme

Processed Meat and Cancer: What Group 1 Really Means

Processed meat is a Group 1 carcinogen, in the same category as tobacco smoke. That fact is true and almost universally misunderstood. Here is what it actually means. Processed meat sits in Group 1 of the World Health Organization’s cancer classification, alongside tobacco smoking and asbestos. Headlines have used that comparison for a decade, and … Read more

Read More

White plate with sliced grilled meat, white rice, salad leaves, broccoli, tomato and a roasted carrot

Can Diabetics Eat That? What Large Studies Found

Can diabetics eat bananas, rice, potatoes? The large cohort studies answer each one — and the answers are not the ones most people expect. Can diabetics eat this or that is one of the most searched health questions there is, and the premise behind it is usually wrong. Diabetes guidance stopped working from lists of … Read more

Read More

Glass jar of white sugar cubes with a silver spoon, lid beside it and a stack of cubes on a white background

Sugar and Mood: Why the Sugar Rush Is a Myth

Sugar and mood has a short answer and a long one, and they point in different directions. The sugar rush does not exist. The long-term association with depression does. Sugar and mood is one of the few nutrition questions where a large, careful analysis has produced a genuinely surprising answer — and then been almost … Read more

Read More