Many reasons. Glucose levels, hormone levels, cholesterol, infections, anemia, cancer indicators, kidney function, liver function, & on and on the list goes.
An example of hormone is cortisol; the list of hormones is very long.
If you're compiling a list of sources you used for your report in MLA style your list of sources is called a works-cited list. This list should be in alphabetical order and should contain all the sources that were used in the report.
The list of sources used for your report in MLA style is called a "Works Cited" page. This page lists all the sources you referenced in your report, providing readers with the necessary information to locate the sources themselves.
A tropic hormone is a hormone that stimulates an endocrine gland to grow and secrete it's hormones. They include; 1. Thyroid-stimulating hormone (TSH) 2. Follicle-stimulating hormone (FSH) 3. Luteinizing hormone (LH) 4. Adrenocorticotropic hormone (ACTH).
melatonin
It's a list of sources that you get your information from
Multilevel List
A bibliography or a list of references can provide other researchers with a list of sources used for more information. This allows others to locate and verify the sources you have consulted in your research.
You can create a direct mailing list by using internal sources, you can also rent or purchase existing lists from sources such as list brokers, organization.
which part of research paper provides an organized list of the sources used
Bibliographical list