"Reversing Biological Aging" is no longer just a concept confined to science fiction stories; in 2026, it has officially transitioned from medical laboratories into clinical practice. Futuristic clinic with doctors and a patient reviewing a glowing holographic heart scan This is not merely about "living to be 100 years old." It is about molecular and cellular advancements for "Healthspan"—staying mentally sharp and physically strong even as you age. 💡 What is Biological Age?