The TDEE Blog
Most people know their calories. Few understand why they're not moving. These articles close that gap by covering metabolism, nutrition, and training without the noise.

Perimenopause weight gain isn't always about the scale number changing. Research shows the rate of fat mass gain nearly doubles during this transition while lean mass simultaneously declines, sometimes with little change in total weight. This guide covers why that happens and what actually helps.

Perimenopause rarely announces itself with a single obvious symptom. This guide covers 10 research-backed signs, from cycle changes to joint aches to brain fog, that together build a clearer picture of whether this transition is affecting your weight and energy.

Perimenopause and menopause get used interchangeably, but they are clinically distinct stages with different hormone patterns and, in some cases, different metabolic risks. This guide covers the real clinical difference, what research shows about calorie needs in each stage, and how to tell which one you're actually in.