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According to both the American Veterinary Medical Association and the American Society for the Prevention of Cruelty to Animals, pets are more likely to exceed recommended levels of lead exposure through household contamination rather than by pet toys. Pets and children may be exposed to lead contained in consumer products like lead sinkers used to weigh down fishing lines, the consumption of old paint chips, linoleum, certain paints used by artists, or the inhalation of lead dust when surfaces of older homes are scraped or sanded.

In a natural environment the dog is a pack animal. When we bring a puppy into a human family the puppy naturally becomes part of a new pack—his adoptive human family. Unfortunately, the modern family is always on the go, and the new puppy is often left alone for long periods of time. It's unnatural for a dog to be isolated from his pack. The stress associated with isolation from the nuclear family can lead to a syndrome described as "Separation Anxiety."