Quick Answer: How Many Rare Diseases Are There?

How many rare diseases are there in the world?

There are between 5 000 and 8 000 rare diseases, most of them with a genetic basis.

1 A very rough estimate would be that one out of 15 persons worldwide could be affected by a rare (“orphan”) disease – 400 million people worldwide, of whom 30 million are in Europe and 25 million in the United States..

What are the rarest diseases in the world?

Water allergy. … Foreign accent syndrome. … Laughing Death. … Fibrodysplasia ossificans progressiva (FOP) … Alice in Wonderland syndrome. … Porphyria. … Pica. … Moebius syndrome. Moebius is extremely rare, genetic and characterized by complete facial paralysis.More items…•

What is the most common disease in the world?

According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.

Which disease has no cure?

cancer. dementia, including Alzheimer’s disease. advanced lung, heart, kidney and liver disease. stroke and other neurological diseases, including motor neurone disease and multiple sclerosis.

Which country is disease free?

The healthiest country, Qatar, led the countries reviewed with the highest overall score, while the least healthy country, Sudan, received the lowest score. These are the most and least healthy countries worldwide.

What are the rarest birth defects?

Rare birth defects include:22q11. 2 deletion syndrome (DiGeorge Syndrome and Velocardiofacial syndrome)Albinism, ocular.Albinism, oculocutaneous.Anencephaly (a neural tube defect)Arnold-Chiari malformation (chiari malformation)CHARGE syndrome.Congenital adrenal hyperplasia.Congenital diaphragmatic hernia (CDH)More items…

What are the 7000 rare diseases?

You can find a list of all the 7,000+ rare diseases on the Orphanet website.Fibrodysplasia ossificans progressiva. Prevalence: roughly 1 in 2,000,000. … Ehlers Danlos syndrome. Prevalence: Unknown. … Tyrosinemia type 1. Prevalence: Unknown. … Duchenne muscular dystrophy. … Cystic fibrosis. … NGLY-1 deficiency.

How many different types of diseases are there?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases.

Is autism a rare disorder?

It may seem odd to see autism spectrum disorders (ASD) listed on a website for rare and orphan diseases. According to a recent report from the Center for Disease Control, about 1 in 88 children in the United States has an autism spectrum disorder, a 23 percent increase over rates the federal agency reported in 2009.

What’s the biggest killer in the world?

ischaemic heart diseaseThe world’s biggest killer is ischaemic heart disease, responsible for 16% of the world’s total deaths. Since 2000, the largest increase in deaths has been for this disease, rising by more than 2 million to 8.9 million deaths in 2019.

What is the rarest gene?

KAT6A syndrome is an extremely rare genetic neurodevelopmental disorder in which there is a variation (mutation) in the KAT6A gene. Variations in the KAT6A gene can potentially cause a wide variety of signs and symptoms; how the disorder affects one child can be very different from how it affects another.

What are 5 genetic diseases?

What You Need to Know About 5 Most Common Genetic DisordersDown Syndrome. Typically, the nucleus of an individual cell contains 23 pairs of chromosomes, but Down syndrome occurs when the 21st chromosome is copied an extra time in all or some cells. … Thalassemia. … Cystic Fibrosis. … Tay-Sachs disease. … Sickle Cell Anemia. … Learn More. … Recommended. … Sources.