The host of the video, Chibi, tests various health advice given by grandmothers. He separates fact from fiction, using science and research to verify the truth behind common sayings such as:
1. Swallowing gum takes seven years to digest: False, the body passes gum without issue.
2. Frowning takes more muscles than smiling: True, but the number of muscles used varies from person to person.
3. Chicken noodle soup helps alleviate cold symptoms: True, due to its warm, electrolyte-rich, and slightly salty composition.
4. Resting when you're sick is beneficial: True, but some mild exercise can be helpful.
5. Cracking your knuckles causes arthritis: False, it's just nitrogen bubbles popping in the joints.
6. Eating a black watermelon seed causes a watermelon to grow in your stomach: False, this is a myth.
7. Crossing your eyes for seven seconds can cause them to stay that way: False, eye muscles can move them back to normal.
8. Eating an apple a day keeps the doctor away: Partially true, apples have health benefits, but they won't completely prevent illness.
9. Plucking a gray hair causes more to grow: False, but it's not recommended to pluck them due to potential skin irritation.
10. Raw meat on a bruise helps it heal: False, this is a myth and can lead to bacterial exposure.
11. Sitting too close to the TV can hurt your eyes: True, as it can cause eye strain and potentially lead to nearsightedness.
12. Snacking all day ruins your appetite for dinner: False, eating healthy snacks can be beneficial.
13. Carrots are good for your eyes: Partially true, they contain beta-carotene, a vitamin A precursor, but won't improve existing vision.
14. Walking after a meal aids digestion: True, as it can help prevent gastric juices from creeping up into the esophagus.
15. Going outside with wet hair causes a cold: False, but it can make your hair brittle and weaker.
16. Swimming after eating can cause a cramp: Possibly true, as blood flow to the stomach can be affected.
17. Drinking 7-Up eases an upset stomach: False, as it contains caffeine and sugar that can irritate the stomach lining.
18. The flu shot can give you the flu: False, but you may experience an immune response that can cause mild symptoms.
19. Sucking your thumb causes buck teeth: True, if done past a certain age, as it can cause jaw and tooth deformities.
The video aims to educate viewers on common health myths and facts, using a mix of humor and scientific explanations.
1. Swallowing gum will not stick in your stomach for seven years.
2. The body cannot digest gum, but it will pass through the digestive system.
3. Frowning and smiling use different sets of muscles.
4. Chicken noodle soup has been medically proven to help with the symptoms of the common cold.
5. Rest and hydration are good advice when having a viral illness.
6. Mild exercise can be beneficial for people with very mild upper respiratory illnesses.
7. Cracking your knuckles is not a sign of arthritis, but rather nitrogen bubbles popping within the joint.
8. Cracking your knuckles does not cause long-term damage to the joint.
9. Eating raw meat on a bruise will not help it heal faster.
10. Snacking all day will not ruin your appetite for dinner.
11. Eating healthy snacks is beneficial for overall health.
12. Carrots do contain beta-carotene, which is important for eye health, but they will not improve existing vision.
13. Walking after a meal can help prevent gastric juices from creeping up into the esophagus.
14. Going outside with wet hair can be bad for your hair, as the outside air can cause the water in your hair to freeze and expand.
15. A common cold is caused by viruses, not by going outside with white or red hair.
16. Swimming after eating can cause a cramp due to blood rushing to the stomach and then needing to circulate to the muscles.
17. Drinking 7-Up will not ease an upset stomach, as it contains caffeine and sugar that can irritate the stomach lining.
18. The flu shot cannot give you the flu, but it can cause an immune response that may make you feel tired or have a headache.
19. Sucking on your thumb past a certain age can cause jaw and tooth deformities, such as buck teeth.
20. Discouraging thumb-sucking at around age four can help prevent tooth deformities.