Q&A with Leyla: Fitness Trackers

written by Dr. Ronald Hoffman | July 3, 2025

Q&A with Leyla, Part 1: Fitness Trackers

Fitness trackers: friend or foe?
What brand(s) of fish oil do you recommend and why?
My friend’s doctor recommends a reverse osmosis water filtration system. Is this the best way to go? Are there other options?

Q&A with Leyla, Part 2: Ejection Fraction

What are possible causes for low ejection fraction?
Can thyroid function affect ejection fraction?
Does levothyroxine affect heart function?
How does the functioning of our mitochondria affect heart health?
What are your thoughts on CoQ10 and PQQ for heart health?
What kinds of exercises are safe to do if your ejection fraction is too low?
How long can I fast safely?