Keto, low-fat, Mediterranean and plant-based argue about the food. Their better versions have more in common than the arguments suggest.

Ten thousand steps was never a medical target. What the numbers actually support, and why a day below your goal is not a wasted one.

Deficiency is real, but it is not the explanation for every vague symptom. When a blood test makes sense, and how to read the units.

When appetite quietens, nutrition needs more attention, not more bottles. Which supplements have a real job here, and which do not.

Fifty grams? A hundred? The targets differ because they answer different questions. How to work out which number applies to you.

Fifty billion organisms is not automatically better than ten. The strain, the formulation and the purpose are what the small print holds.

Melatonin is not a volume knob. Timing often matters more than strength, and the biggest number on the shelf is rarely the right one.

Fiber is a category, not one ingredient. Which type does what, how much you already get, and why the water instructions are not optional.