Why do teeth turn yellow even if you brush every day?

Retired dentist here. The surface of your teeth is very similar to porcelain. If you were to look at a porcelain surface (a teacup or similar) under a microscope, you would actually see a surfa…

Top stories for N Hu   Why do teeth turn yellow even if you brush every day? Trey Petty, DDS Dentistry & Science, Columbia University (1986) • Answered May 18 Retired dentist here. The surface of your teeth is very similar to porcelain. If you were to look at a porcelain surface (a teacup or similar) under a microscope, you would ... Read more » 1.9K 94   Why does Brad Pitt chew gum? Chloe Dupont, former Pastry Chef at Maison Lumière Pâtisserie • Posted May 17 It's common knowledge that Brad Pitt is an incredibly handsome man. One reason for his good looks is, of course, genetics. Neither Pitt nor his brothers are bad-looking. However, it must be said th... Read more » 342 79   How bad is drinking a six pack a night? Spivey, knows English • Answered May 2, 2025 First, a lot of people here say things like “a six pack a day makes you an alcoholic”. That is their (wrongful) opinion. every psychiatric condition that can be ascribed to ... Read more » 215 66   Does marijuana cause premature aging? Ron Wagner, Author & Co-creator at Renazonce - 23rd Century (2017-present) • Answered June 13, 2025 It depends on how you define “aging.” One measure is dementia. Now that pot is legal in so many states, a recent study has shown that regular pot users are developing dementi... Read more » 57 110   What organ exactly dies last in a human body? Marylyn Dranos, Worked at Many Hospitals • Answered January 23 I was a hospice volunteer for three years, and my dad was going through his final stages when I first wanted to know so desperately what was really going on in his body wit... Read more » 4.5K 238   What is untreated extreme ADHD in an adult? Emily Ekstrand, former Nurse • Answered November 6, 2020 It can manifest itself in different ways. For instance, my mom didn’t get diagnosed until she was 45 and had 3 kids. It was when she went in for help with her depression th... Read more » 114 1   Is it true that with the guillotine the person felt no pain? Rissi Palmer, former Creative Lead at GreenHaus Studio • Posted May 14 No, according to French medical studies on guillotine victims. Ever since Charlotte Corday (Jean-Paul Marat's assassin) was guillotined in 1793, there has been much debate in France about it. Eyewit... Read more » 2.2K 350   What is 'Ozempic face'? Thomas Cayne, Writer, painter, thinker, madman. • Answered April 26 It’s the exact same face of somebody who has rapidly lost a lot of weight. Ozempic — an FDA-approved injection for treating type 2 diabetes — kills the appetite and that’s t... Read more » 382 47   Bill Gates is all but confirmed to have done things with Epstein, just like Trump. Why is he not getting near as much attention or condemnation? Jean-Marie Valheur, somewhat of a controversy myself • Answered May 22 Bill Gates lost his wife and marriage because of Epstein. His ex-wife, Melinda Gates, found their relatioship so sordid and uncomfortable that she divorced her husband for i... Read more » 1.6K 247   Why do Ashkenazi Jews have a predisposition towards so many genetic diseases? C.S. Friedman Novelist for 35 Years • Updated Mon Genetic diseases are often recessive, meaning that you have to inherit them from both parents to suffer from them. Approximately 600 years ago, the Ashkenazi population suff... Read more » 792 149   Narcissists’ 7 Favorite Catchphrases; Anna Anderson, teacher (1996-present) • Posted May 3 Have you ever noticed how some conversations feel like they’re stuck on repeat?! you try to explain yourself; you try to stay calm; you try to make things clearer—but somehow the response is always... Read more » 121 18   When I look at morbidly obese people, I ask, what was their diet, to end up that way? Caleb Davis • Updated May 26 For breakfast? Nothing. I sleep in the extra 15 minutes and don’t eat. Between breakfast and lunch? I drink two Zero Sugar Gatorade. Usually Grape. For lunch? Nothing. My job... Read more » 491 26 Read more in your feed

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