Alopecia areata is an autoimmune condition that affects the hair follicles, causing hair loss. Here, hair tends to fall out in small patches, but sometimes, hair loss can be extensive.

Alzheimer’s is a common brain disorder that starts with mild memory loss and eventually affects thinking skills and the ability to perform daily tasks. It generally occurs in a later stage of life and leads to various alterations in personality, behavior, and mood.

Baker’s cyst is a fluid-filled growth behind the knee that leads to a bulge and a sensation of tightness in the area. Also known as a popliteal cyst, the condition can cause pain that worsens when one straightens or bends their leg.

An anal fissure is a gash in the moist and thin tissue that lines the anal opening. It causes pain and itching and may also bleed during bowel movements. The most common occasion when an anal fissure occurs is when you pass hard stools, which is usual in infants because they pass hardened feces.

Basedow’s disease, also called Graves’ disease, is a health condition that causes hyperthyroidism. In other words, it causes the body to produce excess thyroid hormone. This hormone regulates many bodily processes, including metabolism and bone maintenance, but an excess can stress the organs and lead to various symptoms and complications.

Anal itching is a common issue that can be intense, embarrassing, and uncomfortable. In scientific terms, it is also known as pruritus ani. Anal itching may be due to ongoing diarrhea, hemorrhoids, or infections.

White blood cells of the immune system produce antibodies, which are defensive proteins. They protect the body against pathogens that cause disease or infection, such as viruses and bacteria. Some antibodies can occasionally mistakenly attack the body’s cells, called autoantibodies.

Asperger Syndrome, or high-functioning autism, is a condition that falls under the category of autism spectrum disorder (ASD). Individuals on the spectrum typically have superior cognitive abilities but find it hard to interpret social interactions and cues.