How old are you, really? People are flocking to so-called longevity clinics and buying tests online to find out their “biological age”—a metric that some scientists say could reveal how healthy a ...

Forbes contributors publish independent expert analyses and insights. Jesse Pines is an expert in healthcare innovation and wellness. Biological age tests are one of the most talked-about tools in ...

"Biological aging tests," also called aging clocks, can predict your risk of age-related disease, disability, early mortality and more — but are they ready for prime time? When you purchase through ...

Multidimensional nature of aging: phenotypic changes across levels of biological complexity. The figure illustrates time-dependent phenotypic change across molecular, cellular, tissue, and organismal ...

As a personal trainer and nutritionist, I often get asked which supplements actually help slow aging—and which are just hype. The supplement industry is full of products that promise youthful skin, ...

The view that aging is all downhill may be one that you implicitly believe in. How many times have you made jokes about your age, made jokes about someone else’s age, or just looked in the mirror with ...