An obsession with living longer has given rise to a new mental health disorder called Longevity Fixation Syndrome. As tech billionaires pour their physical and financial resources into figuring out ...

A gamma-globulin factor in the serum of patients with systemic lupus erythematosus that reacts with isolated cell nuclei 1 or nucleoprotein 2,3 has been detected in many ways. 4 The standard method of ...

From the Thorndike Memorial Laboratory, Second and Fourth Medical Services (Harvard), Boston City Hospital and the Department of Medicine, Harvard Medical School, Boston, Massachusetts. Myers — ...

Among people with sickle cell disease—an inherited blood disorder—acute chest syndrome (ACS) is the leading cause of death. The condition is the result of red blood cells becoming stiff, sticky, and ...

In myasthenia gravis, complement plays a big role in what happens to the muscle end of the neuromuscular junction, explains Miriam Freimer, MD, an author on 5 abstracts presented at the recent 15th ...

Oral fixation may occur if a person’s needs are not met during a specific stage of childhood development, according to a theory introduced by psychoanalyst Sigmund Freud. Oral fixations include habits ...

Nitrogen is essential for all life on Earth. In the global oceans, however, this element is scarce, and nitrogen availability is therefore critical for the growth of marine life. Some bacteria found ...

Our immune system is armed with an array of defenses designed to detect and eliminate harmful threats. One of its most powerful defense mechanisms is the complement system-a group of proteins that ...

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...

Complement component 3, often called C3, is an essential protein of the immune system. This protein plays a vital role in the body’s innate immune system, providing: the first line of defense against ...

Fixations can come in many varieties, and they’re common for neurodivergent and autistic people. While they can often be enjoyable and helpful, therapy can help if they become overwhelming. Whether it ...