If your healthcare provider has ordered a T4 test, you may wonder what it is. Thyroxine is another name for T4, which is one of the two main types of thyroid hormone the thyroid gland makes. The other ...

At-home hormone tests offer a fast, affordable, and discreet way to help identify a hormonal imbalance. This review highlights top tests for female and male hormones, thyroid, fertility, and cortisol.

If you have hypothyroidism with normal TSH levels, you may still experience symptoms even though your thyroid stimulating hormone (TSH) blood test levels are well within range. Most people whose ...

Testing a person’s blood for a type of protein called phosphorylated tau, or p-tau, could be used to screen for Alzheimer’s disease with “high accuracy,” even before symptoms begin to show, a new ...

As the world’s population ages, health experts are bracing for higher rates of age-related diseases, including Alzheimer’s. Finding new ways to diagnose the condition is more of a priority than ever, ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. A combined blood test for ...