Category: Metabolism

What the studies measured behind a weight loss plateau: a modest metabolic slowdown, a much larger rise in appetite, food diaries that drift, and water that…

Most calculators run on a 1958 rule that treats your deficit as fixed. Here is the arithmetic, where it breaks, and what NIH’s own dynamic model…

What a bmr calculator actually computes, the Mifflin-St Jeor formula worked out step by step, and how accurate the number really is.

Muscle burns about 13 calories per kilogram a day at rest, not 50 a pound. The measured tissue values, what trials of lifting found, and where…

A free calorie deficit calculator gives an estimate, not a measurement. Here is why five equations disagree by 256 calories, and how to correct the number.

Resting metabolism is mostly set by body size, so it is rarely why food refuses to stick. Controlled overfeeding trials point somewhere else entirely.

Muscle, protein, water and intervals all appear on every page about raising basal metabolic rate. Almost none of them print the size of the effect. Here…

Every way of estimating body fat carries an error range. Here is that range for each method, and how much a reading has to move before…

Water weight is fluid, not fat. Here is what glycogen, salt, hormones and the weekly rhythm of the scale actually do to the number you see.

Most people can lose weight. Keeping it off is the part almost nobody writes about, and it is the harder half.

Low vitamin D and low vitamin B12 can both cause real, persistent tiredness, and both are correctable once a blood test confirms them. But they only…

Most people who feel stuck do not have a broken metabolism. Daily calorie burn is driven by body size, lean mass and how much you move…