Cyclists' hearts: can you be so fit that you die?

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starguy9 : subscription earned

Frank May : Excellent content! Imagine how much trust you have to put in your heart rate monitor, knowing that if it doesn't alert you, you might die. I'd imagine some athletes saw it was easier to take some stimulants in the moment instead, and cocaine is a hard-hitting solution. Makes you wonder if athletes in that era got into cocaine use to at first just stay alive, but then to keep a high.

St1ff : did not watch. It's because of EPO. /thread

Juan Marquez : Bep beep subbed, not fake

RGCastro7 : This was super interesting! I look forward to checking out more of your videos. Keep up the factual and excellent work, man.

Patrick L : Great production value, excellent script! Make more.

CircadiaMicroGrow : Commenting just to help promote you in the algorithm. YouTube needs more of you!

Dale Drake : This is a brilliant video. Make some more bud a real gem!!!

Target51 : I'm in, that was super cool :)

M4X THR0TT1E : LMAO no hills

Dr Manhattan : If people think that biking 100 miles on the weekend after sitting in a chair all week is a good idea- I would disagree.

Philadelphia Construction Engineering : AWESOME - mine is around 50 and below - but above 40 - when I sleep    Scary... to wake up and check... This is also why heart attacks happen in the a.m.... the ''start up''  time of the heart - to ''get it going''...

Baran Sönmez : Very good video! I hope you keep up the good work

S Morris : Mysteriously? Mid-Life EPOsis.

Dave G : Subbed. Do you know if Lance Armstrong has come out and spoke about this issue? I imagine he was well aware that he was at risk of having this happen to him too.

Toks Adesanya : Well done bro! Keep them coming. I had an ECG recently and have been referred to a cardiologist- I hope they still let me race and do Sportives

Sam : As a youth, I keep hearing my friends talk about cocaine, and the pleasure derived from it; Hearing the explanation of what exactly cocaine does to the heart, Christ, it would literally kill me. I don't want to touch cocaine. And if my friends are gonna do cocaine, I'll tell them that it will make the blood supply of their hearts spasm and cause blood clots, I think this is what people talk about when they speak of "infarct"

Titty Shepard : Well, that was just thoroughly enjoyable. Great presentation

Victor Obi : This was a really good video! Keep it up!

Jeffrey Scanlan : subbed! nice video!

TheDanzilla7 : Probably poisoned by poor commuters stuck behind the pricks cycling in the middle of the road half the speed of all other traffic.

10mmPig : GREAT narrator.

deviantartfan1 : Awwww shit, these vids are like crack for me. First ChubbyEmu, now you. Excellent video, I'm excited to see what you bring to the table!

Madman5698 : Subbed

Martin G : Unfortunately quite a relevant video, when a young cyclist has died in France due to a heart attack

Der Eidgenosse : good video, much entertaining

Bad Motherfucker : Umm… My resting HR is 39. And max is 195. Damn, I’m gonna die, yeah?

Sniper Pro nerf mods : Uuuuh, how is the quality so high, I thought you were at 1.2mil not k, you are just outdoing your self man! Keep it up!

Jorge Yagüe París : How sad to buy yourself fake comments.

Gary Smith : very well put together and narrated, very informative, subscription earned

Luke Hoskovec : That was put together pretty dang well for being your 2nd video.

Melissa Hall : Well done.

William : Subscribed. Quality video and funny!

Webby : 'Dawg'

Chooglin' with Snubby : I'm very much interested in health and fitness. I'd like to see more on sports supplements. What really works and what's just snake oil. And yes, I subscribed.

htdtr : Yo, I'll take that cycling road race challenge to stop you making videos!

RonMD : How dangerous is a resting heart beat, of say, 48 bpm? I've encountered a few marathon runners in the ER at their 60s/70s/even 80s who at the end, inevitably, needed a pacemaker due to extreme bradycardia. I don't know, I still think it's worth it, and I always get excited when I measure my heart rate from time to time and see it gradually become slower. The equivalent of a bodybuilder admiring his own muscles when staring at the mirror.

RonMD : This was incredibly interesting. Subscribing.

asgard69 : brilliant stuff!

Joe Blogs : Great video. Thank you.

Brett Cochrane : Exceptional content!

Jernetta Smith : Wonderful work and I learned alot of interesting things watching your film...Waiting for many more films by you.

MSIGuy6461 : Please do a video on PED's! This video rocked.

Julia Walczak : Very informative video!

Timotei of Bollow : You had me hooked after the first few sentences. I was on a 24hr BP monitor after changing my diet to get off high BP pills (which worked) and saw that my HR drops into the 30's. I thought that was quite a good thing? After a long cold winter training for an Everesting (now completed) can you tell me when these bloody chilblains will go away?

MsSunhappy : 4:26 wtf

Bernadine Murray : Love this Dr.Rohin! Interesting and got me to refresh my year 1 physiology a little 😂

Anjelica Dixon : I love You!

Staci Smith : very well presented, thanks

syntaxerorr : Drugs. Lots of drugs.