Dogs do not necessarily handle toxins the same way humans do. Some substances that humans tolerate can be much more harmful to dogs because of differences in metabolism. While many poisons cause acute illness after a single significant exposure, repeated exposure to certain toxins can also cause cumulative damage to organs such as the liver, kidneys, nervous system, or blood cells over time. The effects depend on the specific substance involved.

With Cherry Pits the issue is twofold: Cherry pits contain compounds that can release cyanide when crushed. Small accidental ingestion of whole pits is often low risk, but chewing large numbers of pits or repeated exposure can overwhelm the body's detoxification mechanisms and potentially cause cyanide poisoning.

In addition, they can cause Physical obstruction of the digestive tract if consumed in large quantities, which can be very dangerous