How does your body warn you one month before a heart attack?

I ignored every single warning sign my body was sending me for three straight weeks before I had a massive heart attack when I was forty-seven years old. I'm talking about signs like stress, ind…

Top stories for Long   How does your body warn you one month before a heart attack? John Arogano, studied at University of Washington • Answered February 4 I ignored every single warning sign my body was sending me for three straight weeks before I had a massive heart attack when I was forty-seven years old. I'm talking about ... Read more » 982 55   Do all linear maps have eigenvalues? If not, which ones don't and why? Alon Amit, 30 years of Linear Algebra. • Answered July 12, 2019 There are several ways a linear operator can fail to have any eigenvalues at all, or less than the expected number of them. Early on in the study of linear algebra we mostly... Read more » 260 13   Why didn't Hitler use Ireland as a base to invade Great Britain during WWII? Alex Colby, read hundreds of books about WWII history • Updated Wed It is a very clever question concerning one of the major trends in World War II history. The reason as to why Germany never invaded Ireland is really quite simple, and that is because, they could n... Read more » 2.2K 407   Do marriage counsellors ever tell couples to divorce? Chris Geller, lives in Melbourne, FL (2019-present) • Answered January 30 Mine did. We'd been seeing her for a few months when we got into an argument in front of her. She asked me to come back the next evening, just me. When I did, she told me "... Read more » 1.3K 90   What is the costliest coding error anyone has ever made? Theodore Smith, Senior Software Engineer at PHP Experts (2012-present) • Answered August 5, 2024 On this day, exactly 12 years ago (9:30 EDT 1 Aug 2012), was the most expensive software bug ever, in both terms of dollars per second and total lost. The company managed t... Read more » 2.2K 126   Is it true that ARM processors are more power efficient than x86 or x64 processors? If so, what are the reasons for not using them in all computers and servers? Marcelo Pacheco, Since 1984. 8/16/32/64 bit. Linux mostly these days. • Updated January 15 Yes, ARM is substantially more efficient than x86. For starters ARM doesn't need any 16 bit/real mode/segments compatibility baggage. ARM has zero microcode. All instructio... Read more » 99 2   Why are so many lottery winners plagued with bad luck and trouble? David Grunwell, Attended 5 universities, traveled, and I am still learning. • Answered February 5 In college, I had a friend who was a theoretical physicist. He did math at scary levels. He once said, "The lottery is a tax on those who cannot do math." I have heard far t... Read more » 690 83   MERCURY HAS A TAIL Alessandro13 • Posted Aug 23, 2024 Take a deep breath because what you are seeing is not a comet, but the tail left by Mercury! You read that right... a tail. This is the incredible shot taken by Sebastian Voltmer a few weeks ago. "Th... Read more » 420 18   Why do marathon runners often get sick immediately after finishing a race? Amy Martin • Answered January 28 Crossing the finish line of a marathon is a moment of athletic triumph, but biologically, it is a moment of extreme vulnerability. For the first 3 to 72 hours after the rac... Read more » 321 20   My mother is 42 and she is pregnant with her third baby. I kind of feel embarrassed and I don't know how to react. Is there any advice for me? Sandy Sin-Más, I am a Life coach, with 25 years experience • Answered February 10 I had my first child when I was just turned 19, my second hen I was 26, my third when I was 32. I didn't plan on having any more. Then my husband passed away. A few years l... Read more » 474 82   Does marijuana lower or increase blood pressure? Brian Butler, former Combat Medic at Retired US Army Combat Vet • Answered March 11, 2024 I am a retired medic. I have high blood pressure and I have been doing my own little research and study on cannabis and blood pressure. So far I have not taken any blood pr... Read more » 1.6K 233   I accidentally charged my phone to 100% because I forgot to disconnect the charger. How harmful is that for my battery? Christopher Godfrey, Criminal (1900-present) • Answered November 6 Good battery management is to keep your battery between 40–80%. When your phone reaches 0, the battery is at 40%. When your phone says 100, it's actually at 80%. This is do... Read more » 388 30 Read more in your feed

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Is sleeping on your right side bad for your heart?

I slept only on my right side for perhaps twenty years straight, and it was the only way I could comfortably go to sleep. Never thought much of it until I had the heart palpitations and irregula…

Top stories for Long   Is sleeping on your right side bad for your heart? Claire Michaelson, studied at University of Florida • Answered February 4 I slept only on my right side for perhaps twenty years straight, and it was the only way I could comfortably go to sleep. Never thought much of it until I had the heart pal... Read more » 335 27   Why are capacitors used in fans? Unnikrishnan Menon, Electronics buff • Updated February 15, 2018 I'm sure you all must have seen these curious little capacitors popping out from your ceiling fans… An ordinary ceiling fan (a split-phase induction motor) essentially consi... Read more » 677 35   Are carrots healthier when raw or cooked? Peterson Zanoon, Friendly Person (2006-present) • Answered January 7 People believe raw vegetables are more healthy than cooked ones. This is not the case when it comes to carrots. Carrots contain high levels of B-carotene. The amount of β-ca... Read more » 541 30   Why is SpaceX using a Linux OS on Crew Dragon instead of Windows? Dale Gulledge, Linux developer since 1994. Unix developer for somewhat longer. • Answered February 2 T Minus 1 minute Flight control, go. ECOM, go Crew, go... Read more » 93 9   Why is Jenna Ortega under fire? Vitmor, Writer Wannabe • Answered May 30, 2023 Hi. Because she's an alcoholic and an addict, or at least that's how people are painting her as. On May 24th, a video was posted online, where Jenna Ortega was seen having lu... Read more » 7.1K 764   Katerina Brooke, lives in Houston, TX (2023-present) • Posted Jul 10, 2025 BY AGE 40 YOU SHOULD BE SMART ENOUGH TO REALIZE THIS: Someone makes 10x more than you do in a 9-5 job because they have more "leverage" with their work. Distraction is the greatest killer of su... Read more » 2.8K 146   Do quantum fields have mass? Viktor T. Toth, IT pro, part-time physicist -- patreon.com/vttoth • Answered January 23 Well, they do but let's pause for a moment and clarify what "mass" is. Since 1905, we know that the mass of a thing is its intrinsic energy-content. (This is what the famous... Read more » 372   Why can't Fermat's Last Theorem be proved using mathematical induction? Alon Amit, PhD in Mathematics; Mathcircler. • Answered July 2, 2015 1. We don't know all the possible ways to prove FLT. We know one, and it's an extremely complicated one. 2. It's not clear to me what you mean by "using induction". Every n... Read more » 268 29   I was terminated on a Thursday and they needed my services for the following Monday. I was a salary employee. Would they have to rehire me back for my service? Jeff Stewart, Software Engineer at None of Your Business (1995-present) • Answered November 10 I had this happen. I was laid off, not terminated, along with a big chunk of the engineering department. The management team assembled after the merger decided to use the p... Read more » 2.6K 94   If cigarette smoking is injurious and can lead to cancer, then how come so many still survive despite smoking for 45-65 years? Pauline Ferverso, studied at Yale University • Answered February 4 My grandfather was a two-pack-a-day smoker for sixty-three years of his life, and he peacefully passed away at ninety-two due to completely unrelated causes. Meanwhile, my ... Read more » 111 8   Do dogs worry about their owners? Lynna Pinse, Legal Researcher at Make It Legal • Answered November 9, 2018 My older brother had 3 dogs. He loved these dogs, he and his wife, my sister-in-law, had no children so their dogs were their children. One evening my sister-in-law walked ... Read more » 2.7K 103   In May 1961, a US aircraft on an observation mission spotted a hastily abandoned Soviet base on a drifting ice mass in the heart of the Arctic Alessandro13 • Posted Jan 14 The impression was that the Russian crew had abandoned the site, fearing that the unstable block was about to crumble. For the CIA, the sighting represented a rare opportunity: the chance to lay th... Read more » 2K 95 Read more in your feed

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