Estradiol: 2-14 ng/dL (female, follicular); 2-16 ng/dL (female, luteal); <3.5 ng/dL (postmenopausal); 1.5-5 ng/dL (male) ...

Please provide your email address to receive an email when new articles are posted on . Researchers created thyroid function reference ranges adjusted for age, sex and racial-ethnic background. Using ...

The sex of an individual is typically assigned at birth based on the appearance of the external genitalia. Chromosomal testing can determine whether a person is biologically male (1 X chromosome and 1 ...

Please provide your email address to receive an email when new articles are posted on . Polygenic score was a stronger predictor of TSH levels than free T 4 in two study cohorts. Using polygenic score ...

The reference ranges of thyroid-stimulating hormone (TSH) and free thyroxine (FT4), known to vary in children compared with adults, also shift considerably in older age, to the degree that the use of ...

Alkaline phosphatase (ALP) is an enzyme in blood that helps break down proteins. An ALP test measures how much ALP is circulating in the bloodstream. Having high or low ALP levels can indicate an ...

When the U.S. wrestler and actor Dwayne “The Rock” Johnson was in his prime, his Body Mass Index (BMI) was around 33 kg/m², technically ‘obese’ by World Health Organization (WHO) standards. Yet no one ...