The only thing I have heard is that they contain cyanide compounds. Cherry bark also, which is why you are never supposed to boil the bark when making a tea for a cough suppressant.
found something thatadvises they make a good filling for a hot/cold pack...We're talking low-tech here; going back to something natural--You'd cool or heat this up (not in a microwave) and then apparently the inner seeds retain a special quality of heat...
Yes, they are dense and would hold heat well. But can you imagine how many cherries you would have to eat to get enough to make a regular size heat pack? It is like cherry stems are also great for gout but gathering enough to make regular cups of tea would be a challenge.
This is why other grains are often used such as brown rice. Brown rice though also has a lot of oil that eventually goes rancid. Dry soybeans would make a better choice and are easy to obtain.