The rare diseases you might be hearing for the first time.

There are many rare and unusual diseases that most people may not be aware of. Here are a few examples:

Morgellons Disease - a controversial condition characterized by the presence of fibers or other materials emerging from the skin.

Alien Hand Syndrome - a rare neurological disorder in which a person's hand seems to move on its own, seemingly without their control.

Progeria - a rare genetic disorder that causes children to age rapidly, leading to a shortened lifespan.

Aquagenic Urticaria - a rare form of hives that develops after contact with water, regardless of temperature.

Fibrodysplasia Ossificans Progressiva (FOP) - a rare genetic disorder in which muscle tissue and connective tissue are gradually replaced by bone.

Guillain-Barré Syndrome - a rare disorder in which the immune system attacks the nerves, causing muscle weakness and sometimes paralysis.

Kaposi's Sarcoma - a type of cancer that causes the growth of tumors on the skin, lymph nodes, and internal organs.

Creutzfeldt-Jakob Disease (CJD) - a rare, degenerative, and usually fatal brain disorder that affects about one in every one million people per year worldwide.

Chagas Disease - a parasitic infection caused by a protozoan called Trypanosoma cruzi that affects millions of people in Latin America.

Hutchinson-Gilford Progeria Syndrome - a rare genetic disorder that causes children to age rapidly, leading to a shortened lifespan.

Ehlers-Danlos Syndrome - a group of inherited disorders that affect the connective tissue in the skin, joints, and blood vessels.

Stiff Person Syndrome - a rare neurological disorder that causes muscle stiffness and spasms, leading to a progressive loss of mobility.

Hypertrichosis - a rare genetic disorder that causes excessive hair growth on any part of the body.

Hypermobility Spectrum Disorder - a group of conditions characterized by joint hypermobility, which can lead to chronic pain and increased risk of joint injuries.

This is not an exhaustive list and there are many other diseases which are not known to many people