Tapeworm infection is a parasitic intestinal condition caused by adult tapeworms living in the digestive tract. Humans usually become infected by consuming undercooked or raw meat that contains tapeworm larvae or by ingesting contaminated food or water. Several species of tapeworms can infect humans, and the severity of illness depends on the type of tapeworm and the location of infection. …

Tachycardia is a condition in which the heart beats faster than normal at rest, typically defined as a heart rate above 100 beats per minute in adults. It can occur as a normal response to exercise, stress, or illness, but in some cases it may indicate an underlying heart rhythm disorder. Tachycardia can originate from different parts of the heart …

Lymphoma is a type of cancer that begins in the lymphatic system, which is part of the body’s immune system. It develops when lymphocytes, a type of white blood cell, grow and multiply uncontrollably. The lymphatic system includes lymph nodes, spleen, thymus, and bone marrow. There are two main types of lymphoma: Hodgkin lymphoma and non-Hodgkin lymphoma. Early detection and …

Lymphedema is a chronic condition caused by a buildup of lymph fluid in the body’s tissues, leading to swelling, most commonly in the arms or legs. It occurs when the lymphatic system is damaged or blocked and cannot properly drain lymph fluid. Lymphedema can develop after cancer treatment, surgery, radiation therapy, infection, or due to inherited abnormalities of the lymphatic …

Swollen lymph nodes occur when the lymph nodes become enlarged due to infection, inflammation, or other medical conditions. Lymph nodes are small, bean-shaped structures that are part of the body’s immune system. They help filter harmful substances and fight infections by producing immune cells. Lymph nodes are located throughout the body, but they are commonly felt in areas such as …

Lyme disease is a bacterial infection caused by Borrelia bacteria, most commonly Borrelia burgdorferi. It spreads to humans through the bite of infected black-legged ticks, also known as deer ticks. Lyme disease is most common in wooded and grassy areas. Early detection and treatment with antibiotics usually lead to full recovery, but untreated infection can affect the joints, heart, and …

Lupus nephritis is a serious complication of systemic lupus erythematosus in which the immune system attacks the kidneys. This immune response causes inflammation and damage to the kidney’s filtering units, leading to impaired kidney function. Lupus nephritis can range from mild to severe and, if untreated, may progress to chronic kidney disease or kidney failure. Early diagnosis and treatment are …

Lupus is a chronic autoimmune disease in which the immune system mistakenly attacks healthy tissues throughout the body. It can affect the skin, joints, kidneys, heart, lungs, brain, and blood cells. The most common form is systemic lupus erythematosus. Lupus often develops in women of childbearing age and may range from mild to life-threatening. Symptoms typically occur in cycles of …

Male hypogonadism is a condition in which the body does not produce enough testosterone, the hormone responsible for male sexual development and reproductive function. It can also involve reduced sperm production or impaired testicular function. Testosterone plays a key role in maintaining muscle mass, bone density, red blood cell production, mood and sexual health. Male hypogonadism can develop at any …

Low sperm count, also known as oligospermia, is a condition in which a man has fewer sperm in his semen than normal. It is one of the most common causes of male infertility. A low sperm count can reduce the chances of fertilizing an egg, but pregnancy may still be possible depending on the severity and other factors. Diagnosis is …