More research on dust and environment needs to be done.

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From Dust to Dust: Do "Terrible" Racetrack Barns Exacerbate EIPH?

For all the satchels of research dollars and reams of ink devoted to exercise-induced pulmonary hemorrhage (EIPH), it remains a topic Swiss cheese riddled with unknowns. Which means that, as the sport continues to move away from Lasix as a crutch to manage the problem-especially when the federal Horseracing Integrity and Safety Act (HISA) outlines

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Interesting article o this drug

https://paulickreport.com/horse-care-category/pharmacologist-even-after-it-is-no-longer-measurable-betamethasone-has-lingering-effect-on-inflammation-pain/

Making progress in this field

https://www.bloodhorse.com/horse-racing/articles/258165/study-connects-thyro-l-supplement-to-cardiac-arrhythmia

Some new info on research in this area 

https://paulickreport.com/horse-care-category/fatal-cardiac-events-and-horses-whats-the-connection/

Research on how long horses body temps stay raised and when they should be stalled or trailered afterwards.

https://paulickreport.com/horse-care-category/study-equine-temperatures-remain-elevated-long-after-exercise-concludes/

I really like these horse care articles from Paulick.  Now that I have Marty I pay close attention to them.

Yes they are informative. You can also get Eqqus magazine to keep on hand. 
https://equusmagazine.com/

NY has used a sensor under saddlecloths to monitor at risk horses

https://paulickreport.com/horse-care-category/wearable-technology-helps-new-york-identify-at-risk-horses-in-prospective-study/

I hope this new technology will be utilized across the industry-- it seems to have lots of potential to pick up issues before they become life-threatening

https://paulickreport.com/horse-care-category/what-have-we-learned-from-over-1000-pet-scans-of-racehorse-fetlocks/