Horizontal Forehead Lines: Causes, Prevention
Horizontal forehead lines are a common aesthetic concern that often develop with age. These lines can appear due to natural skin aging, repeated facial expressions,…
Homozygous Familial Hypercholesterolemia
Homozygous familial hypercholesterolemia (HoFH) is a rare but severe genetic disorder that results in extremely high levels of low-density lipoprotein cholesterol (LDL-C) from birth. Without…
Homocystinuria Type III: Causes, Symptoms
Homocystinuria type III is a rare metabolic disorder characterized by elevated homocysteine levels in the blood. This condition results from mutations in the MTHFR gene,…
Homocystinuria Type I: Causes, Symptoms
Homocystinuria Type I is a rare genetic disorder characterized by elevated levels of homocysteine in the blood and urine. It results from a deficiency in…
Homocystinuria: Causes, Symptoms, Diagnosis, and Treatment
Homocystinuria is a rare genetic disorder characterized by the inability of the body to properly process the amino acid methionine. It results from mutations in…
Hodgkin’s Lymphoma: Comprehensive Guide to Symptoms
Hodgkin's lymphoma, also known as Hodgkin's disease, is a type of lymphoma that affects the lymphatic system, a crucial part of the immune system. This…
HIV Infection Pre-Exposure Prophylaxis (PrEP)
Pre-exposure prophylaxis (PrEP) is a powerful strategy for preventing HIV infection. This medical intervention involves taking antiretroviral medications to reduce the risk of contracting HIV…
HIV Infection: A Comprehensive Overview
Human Immunodeficiency Virus (HIV) is a retrovirus that targets the body's immune system, specifically the CD4 cells (T cells), leading to a progressive decline in…
Histoplasmosis: Causes, Symptoms, Diagnosis, and Treatment
Histoplasmosis is a fungal infection caused by inhaling the spores of Histoplasma capsulatum, a fungus commonly found in soil enriched with bird or bat droppings.…
Histiocytic Neoplasms: A Comprehensive Overview
Histiocytic neoplasms are a rare and heterogeneous group of disorders characterized by the proliferation of histiocytes, which are immune cells derived from the monocyte-macrophage lineage.…