Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, ...

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes ...

What are normal testosterone levels by age? An older photographer mentors a younger one. Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical ...

At last year’s CES, Eli Health announced the Hormometer — an at-home hormone test for cortisol that utilized saliva and a ...

Can an $8 test really give you an accurate reading of your hormone levels? That’s the idea behind Eli Health’s Hormometer, which is an at-home saliva-based hormone test. Up until now you’ve only been ...