Real, practical habits for eating out, from the UK calorie-labelling rules that now apply to large chains to planning your day around one big meal.

Real, like-for-like swaps within a traditional Christmas dinner, pigs in blankets, cauliflower cheese and sticky toffee pudding, with real per-100g figures.

A classic NEJM study, where the real everyday error creeps in, and why roughly right, consistently, matters far more than one perfectly logged day.

CICO is real, but neither number is fixed. Why your calories out can shift as you diet, why calories in depends on your tracking, and why it still holds.

The real NHS guidance, aim for around a 600kcal deficit a day, for 0.5-1kg a week, plus a real worked example of what that looks like on an actual TDEE.

The real NHS guideline figures, 2,500kcal for men and 2,000kcal for women, why they are averages not a personal target, and how to get your own real number.

A real, research-backed way to track protein, carbs, fat and veg using nothing but your own hand, roughly 95% as accurate, with no scale or app needed.

A real lunch built step by step in our own Meal Builder, chicken, rice, broccoli and olive oil, with the exact running total after each item added.

A common mistake: eating to your BMR instead of your TDEE creates a much bigger deficit than intended. What each number means, and which one to actually use.

The real Mifflin-St Jeor formula, a worked example, and how NHS guidance on a 600kcal deficit turns your TDEE into an actual weight-loss or weight-gain target.