
Down syndrome - Symptoms and causes - Mayo Clinic
Nov 12, 2024 · Down syndrome is a genetic condition caused when an unusual cell division results in an extra full or partial copy of chromosome 21. This extra genetic material causes the developmental …
Guillain-Barre syndrome - Symptoms and causes - Mayo Clinic
Jun 7, 2024 · Guillain-Barre syndrome is a serious condition that requires immediate hospitalization because it can worsen quickly. The sooner treatment is started, the better the chance of a complete …
Ehlers-Danlos syndrome - Symptoms and causes - Mayo Clinic
Aug 25, 2022 · Ehlers-Danlos syndrome is a group of inherited disorders that affect your connective tissues — primarily your skin, joints and blood vessel walls. Connective tissue is a complex mixture …
Stiff Person Syndrome Clinic - Overview - Mayo Clinic
Nov 8, 2025 · Get care from experts in stiff person syndrome, also called SPS, a disorder that causes worsening muscle rigidity and spasms over time.
Bardet-Biedl syndrome (BBS) - Symptoms and causes - Mayo Clinic
Overview Bardet-Biedl (BAR-day, BEE-dul) syndrome, also called BBS, is a rare condition caused by changes in genes. BBS can affect almost any part of the body. Starting in early childhood, extra …
Bardet-Biedl syndrome (BBS) - Diagnosis and treatment - Mayo Clinic
Living with Bardet-Biedl syndrome can be a challenge for people with BBS and their families. Sharing your feelings with trusted family and friends or with healthcare professionals can help.
Mayo Clinic uncovers brain cell changes that could explain Tourette ...
Apr 17, 2025 · Nearly 1 in 162 children in the U.S. have Tourette syndrome, according to the Centers for Disease Control. While genetic studies have identified some risk genes, the biological mechanisms …
Lynch syndrome - Symptoms and causes - Mayo Clinic
Dec 2, 2025 · Lynch syndrome is a genetic condition that raises the risk of many types of cancer, especially colon cancer and endometrial cancer. It's an inherited condition, which means it's passed …
Metabolic syndrome - Symptoms & causes - Mayo Clinic
Apr 1, 2025 · Metabolic syndrome is a group of conditions that increase the risk of heart disease, stroke and type 2 diabetes. These conditions include high blood pressure, high blood sugar, too much fat …
Marfan syndrome - Symptoms and causes - Mayo Clinic
Mar 22, 2024 · Marfan syndrome is an inherited disorder that affects connective tissue — the fibers that support and anchor your organs and other structures in your body. Marfan syndrome most commonly …