Medically reviewed by Aviv Joshua, MS, RDN Phenylalanine is an essential amino acid (building block of protein) that the body ...

Acute kidney injury (AKI) and vitamin D deficiency have a bi-directional relationship. Patients with sepsis AKI might be helped by vitamin D supplementation.

The drop in estrogen causes the brain to release a hormone called norepinephrine, which decreases other hormone levels, such as serotonin and dopamine. The collective decreased hormone levels ...

If you have factor XI deficiency, your blood doesn’t clot properly because it lacks specific proteins called “clotting factors.” It causes a mild form of hemophilia and may increase bleeding.

College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for ...

A rare genetic disease that prevents the production of norepinephrine is called dopamine beta-hydroxylase deficiency. This disease causes low levels of norepinephrine by preventing the conversion of ...

Severe iron deficiency anemia can cause hair loss. This includes androgenetic alopecia or pattern hair loss. Iron deficiency anemia occurs when a person does not have enough iron in their system.

While magnesium deficiency is serious, especially among diabetics, alcoholics, and those on certain medications, affordable testing remains limited. Key deficiency signs include low appetite ...