“This is due to the fact that higher heart rates tend to cause increased production of inflammatory molecules and reactive oxygen species which can damage the heart, and a higher heart rate tends to cause more mechanical stress on the heart.”

“Of course, if possible, it is always better to have a lower resting heart rate if possible, closer to the 60 goal,” says Dr. So being in the 90s is still considered to be normal and likely won’t harm the heart.”īut isn’t a slower resting heart rate better? “The Mayo Clinic defines a normal heart rate as between 60 and 100. Sameer Sayeed, a cardiologist at ColumbiaDoctors of Somers, NY. “Resting heart rate in the 90s is still usually considered normal,” says Dr.

Can this cause harm to your heart, even though otherwise you’re healthy? Have you noticed that whenever you take your resting heart rate, it’s in the 90s, even though you’ve been at rest, have not smoked, have not ingested a lot of caffeine and are negative for hyperthyroidism or anemia (which both cause high resting heart rate)?įrequently being in a state of anxiety or chronic stress can cause the resting heart rate to often register in the 90s. Find out what can happen if stress is causing your resting heart rate to be in the 90s.

Iheart 80s and 90s