Facts You Believe That Are Actually Lies
The Infographics Show・31 minutes read
Shaving doesn't make hair grow back thicker; blood is always red due to hemoglobin.
Insights
- Hair and nails do not continue to grow after death; the appearance of growth is due to the skin retracting, making them seem longer.
- Vaccines cannot give you the disease they are designed to prevent, as they contain inactive pathogens that boost the immune system.
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Summary
00:00
Common Myths Debunked: Human Body Facts
- Shaving your body does not make hair grow back thicker or darker; it only appears that way during the regrowth process.
- Human blood is always red due to the presence of hemoglobin, which carries oxygen and contains iron.
- The ability to curl the tongue is not an inherited trait, as proven by studies on identical twins.
- The diagram showing specific taste areas on the tongue is a misrepresentation of research; taste buds are spread throughout the mouth.
- Urine is not sterile, and it is not recommended to drink it under any circumstances.
- Swallowing gum does not stay in your body for years; it passes through the digestive system and is eventually excreted.
- Getting cold does not cause sickness; viruses and bacteria cause illnesses, and cold weather may slow down the body's defense mechanisms.
- Vaccines cannot give you the disease they are designed to prevent, as they contain inactive pathogens that boost the immune system.
- Side effects of vaccines are often mistaken for the actual disease, leading to the misconception that vaccines cause illness.
- Hair and nails do not continue to grow after death; the appearance of growth is due to the skin retracting, making them seem longer.
12:01
Common Health Myths Debunked
- The belief that nails and hair of a deceased person grow longer is a myth; it's an illusion caused by skin shrinking due to dehydration.
- The body naturally detoxifies itself through organs like the kidneys, liver, and lungs; no external treatments are proven to be more effective.
- Cracking knuckles does not cause arthritis, as studies have shown no connection between habitual knuckle-cracking and arthritis development.
- The cracking sound from knuckles comes from bubbles in synovial fluid, not bones; excessive cracking may reduce grip strength or cause injury.
- Humans have more than five senses, with skin alone capable of sensing touch, pain, temperature, and proprioception.
- Frogs cannot give warts; warts are caused by viruses like HPV, not contact with amphibians.
- The myth that humans only use 10% of their brain is false; the brain is fully utilized, even during sleep, with different sections performing various functions.
- Eating before swimming does not increase the risk of drowning from cramps; alcohol consumption before swimming is a significant drowning risk.
- The misconception that the head loses more heat than other body parts originated from a misinterpretation of a U.S. Army experiment in the 1950s.
- Defibrillators are ineffective when the heart has stopped beating completely; CPR and epinephrine injections are used to restart the heart.
23:46
"Nutrition Myths Debunked: Facts and Fiction"
- Low carb diets can aid in weight loss, but moderation is key as carbohydrates are essential for energy.
- Highly processed foods high in carbs, saturated fats, and sodium should be limited for weight loss.
- Carrots are beneficial for eyesight due to vitamin A, but won't grant night vision; they need to be consumed with fat for optimal absorption.
- Tryptophan in turkey doesn't directly cause sleepiness after meals; it's the digestive process that induces drowsiness.
- Muscles cannot turn into fat; a change in lifestyle, including less exercise and poor eating habits, leads to fat accumulation.
- Coffee doesn't stunt growth in children; while it can cause other issues like high blood pressure, moderation is key for everyone due to caffeine's addictive nature.
