This can be due to a variety of reasons, including having a diet consisting of high-inflammation foods (red and processed meat, baked goods, deep-fried items, bread, pasta, etc.) versus those that lower inflammation throughout the body (berries, fruits, avocados, nuts, etc.)
Less muscle means a lower basal metabolic rate, which means your body burns fewer calories at rest after weight loss than it did before
Metabolism 36 , 11921196 (1987)
Sustained metabolic inhibition induces an increase in the content and phosphorylation of the NR2B subunit of N-methyl-D-aspartate receptors and a decrease in glutamate transport in the rat hippocampus in vivo
Epitalon The basics: Epitalon is a synthetic peptide thats touted as an alleged anti-aging treatment