https://blogs.mercola.com:443/sites/vitalvotes/archive/2025/12/01/why-winter-might-be-your-metabolism_1920_s-secret-weapon.aspxBrown fat has become a topic of interest because it burns energy when the body senses cold. Unlike regular fat, brown fat is packed with mitochondria that turn fuel into heat. This increases calorie burn and helps the body manage blood sugar more effectivelyenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)