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According to a 2017 report, 55% of physicians in the US have been sued for malpractice.

▲When we lose weight, fat cells turn into carbon dioxide and are then expelled through our lungs.

▲Wrong-site surgery in orthopedics is more common than you might think.

▲If you don't fart, some gas may re-enter your blood stream and it will be released through your breath.

▲We have trillions of microorganisms in our bodies, but a study found that more than 99% are unknown to science.

▲Music tempo and volume has a direct impact on heart rate. This means that fast music played at high volume will increase your heartbeat, and the opposite is also true.

▲When a lung transplant is required but the organ available is from the opposite side, surgeons flip it and attach it (i.e. left lung on the right side).

▲A study shows that there is a link between individuals with low cholesterol levels and violent crime.

▲If you lose a fingernail, it will take six months to regrow, but in the case of a toenail, it can take up to a year and a half!

▲You lose your sense of smell when you're asleep.

▲If a pregnant woman has damaged heart tissue, the fetus will donate stem cells to heal it.

▲We are genetically closer to cats than we are to dogs.

▲Adults have 206 bones. But we are actually born with 300 bones! Most of these are in fact cartilage that will then fuse and turn into bones.

▲Alcohol is sometimes prescribed to alcoholics before surgical procedures to avoid withdrawal symptoms.

▲Germany's Wachbataillon military guards are growing breast tissue on the left side of their chests. Doctors say this is because of the drill they do, where they hit that area repeatedly with their rifles.

▲A study shows that surgeons who played video games regularly had better laparoscopic surgical skills.

▲Mothers prefer the smell of their own babies' poop, and don't find the smell as bad as other children's feces.

▲In the US alone, every year about 2000–4000 objects are left inside patients' bodies after surgeries.

▲Everyone has unique fingerprints, but the tongue also has a unique print.

▲Livers have the ability to regenerate. This mean they will regrow if parts are removed.

▲Redheads experience pain differently from other people. They actually need around 20% more anesthesia to feel no pain.

▲A study found that women's metabolic brain age is about four years younger than men's.

▲Fecal transplantation, also known as bacteriotherapy, is when healthy fecal bacteria is transplanted to a person requiring treatment. It can be done through a colonoscopy or through pills.

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Your brain and your gut are actually connected. It's called the gut-brain axis.

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When performing kidney transplants, many times the diseased organ is not removed. Instead, a third kidney is added.

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The cornea has no blood vessels, so it needs to get oxygen directly from air.

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A pair of feet has approximately 250,000 sweat glands. This is where most of your sweat glands are located.

▲In 2008 almost 2,000 people in the US went to the hospital with bagel-related injuries.

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Advances in medicine have allowed us to live longer and better lives. But the human body is very complex and the scientific community is constantly learning new things about it. Some of these facts are absolutely extraordinary.

Click through and get to know some weird and wonderful medical facts.