The “fibermaxxing” trend is gaining attention online, but experts warn of its risks. Here’s what it means, why it’s popular, and the health dangers you should know.   What Is “Fibermaxxing”?   “Fibermaxxing” is a viral dietary trend where people drastically increase their fiber intake in an attempt to improve digestion, lose weight, or feel “healthier.” On social media, it’s often promoted as a quick hack for cleansing the gut, cutting cravings, or achieving fast satiety.   While fiber is indeed essential for health, the extreme approach behind fibermaxxing is raising concerns among nutrition experts.   Why People Are Doing…