Will a smoker’s lungs clean themselves if they quit smoking and how long does it take?

My dad smoked between the ages of 19 and 50. When he was 75, he went to see a consultant regarding his shortness of breath. They took a chest x-ray. The consultant looked at it briefly, turned …

Top stories for Long   Will a smoker's lungs clean themselves if they quit smoking and how long does it take? Jason W, former Airline Captain (1995-2018) • Answered May 10, 2020 My dad smoked between the ages of 19 and 50. When he was 75, he went to see a consultant regarding his shortness of breath. They took a chest x-ray. The consultant looked ... Read more » 11.8K 802   Vikas Parswal, Political Researcher • Posted Mar 11 China has now entered the Iran–US conflict. Two ships from Iran's shipping line IRISL — Shabdis and Berzin have departed from Gaolan Port in China, and it is being claimed that they may be carrying ... Read more » 2.8K 1K   Why is Prince William the heir apparent to the British throne even though Prince Thomas and Princess Laura (The Queen's children) are both older than him? Alex Pearce • Answered February 26 It's due to a little known act, called the Act of Aesthetic Primogenture and it was passed on the 1st April 1952. Prince Thomas is dabarred due to the presence of more than... Read more » 5.2K 512   What do most pilots think happened to MH370? Bene Certiorem, FX Trader, studied at University of New South Wales (1900) • Updated September 13, 2025 I was in Singapore at the time of the incident and heard many things that probably never made it to the media. There is a strong belief that the incident was both planned a... Read more » 1.1K 158   What is it like to get admitted to Harvard? Bill Puka, PhD from Harvard University • Answered June 26, 2018 I was a C+ student in high school, not headed for college. One night on long island, talking with friends at a Nathan's hot dog stand, I made this overly bold claim: "I cou... Read more » 8.2K 181   Is fentanyl really that bad if I can stop using it at any time I want to? David Dake, lives in Portland, OR (2022-present) • Answered March 9 Alright, I'm gonna let you all in on a little secret. I've been an active fentanyl addict now for roughly 4 years and I know I'm gonna get a lot of shit for saying that but... Read more » 2.6K 777   I am leaving my husband because I don't love him anymore. He didn't do anything wrong, but I don't feel it. Is it wrong for me to just leave? Don't most people do this? Michelle Gray, Consumer Finance Clerk (2015-present) • Updated February 1 Here is how this historically has played out: 1: You leave a good man who did nothing wrong. Mainly due to boredom. 2: You get back on the dating scene, to find a bunch of j... Read more » 6.5K 901   If C is faster than C++, then why are companies like SpaceX (and autonomous vehicle companies) using C++ when they need the efficiency and speed of C? Michael Godfrey, Engineer, Programmer, Easily distracted individual • Answered February 11, 2024 If C is faster than C++, then why are companies like SpaceX (and autonomous vehicle companies) using C++ when they need the efficiency and speed of C? The Short Answer: They... Read more » 970 87   Why aren't millions of young Americans rushing to the military enlistment offices like they did in the past? Gary Karaff • Answered March 10 I recently attended a meeting of our US Army veteran's group. The invited speaker was the senior enlisted Army recruiter of the region. His topic was "Recruiting in today's... Read more » 371 178   If someone is "banned" from all Walmarts, how does Walmart know when the "banned" person enters the store? Do they have facial recognition technology or just go by recognition? Chaz Howell, lives in Lakeland, FL (2002-present) • Answered February 2 I shoplifted from a Walmart in Winter Haven, Florida in my youth. When I got caught they gave me 2 options, go to jail or get kicked out of all Walmarts for life. I took th... Read more » 1.8K 345   Why do GPUs need drivers, but CPUs don't? Dave Haynie, Hardware Systems Engineer (Rajant + Commodore-Amiga + 20 years in startups) • Updated March 3 In a very real sense, a device driver is a software abstraction for a bit of hardware. The entire computer starts up from the CPU, which has the singular job of fetching an... Read more » 364 20   Sayad Fahad Ali Shah, knows English • Posted Jun 12, 2025 Breaking news… According to a report by Iran's Mehr News Agency, Iranian Defense Minister Brigadier General Aziz Nasirzadeh, while speaking to journalists after the cabinet meeting yesterday, said t... Read more » 2.3K 1.5K Read more in your feed

Never miss a story. Designed for readers on the go.

Missing out on Quora emails? Be sure to add us to your primary inbox. This email was sent by Quora (605 Castro Street, Mountain View, CA 94041). If you don't want to receive this type of email in the future, please unsubscribe. https://www.quora.com