The Olmecs were the first major civilization in Mexico following a progressive development in Soconusco. They lived in the tropical lowlands of south-central Mexico, in the present-day states of Veracruz and Tabasco. It has been speculated that Olmec derive in part from neighboring Mokaya and/or MixeâZoque.
One of the most common types of mechanical injury to dogwoods is impact from lawnmowers. Injuries of this type can invite basal stem rot disease and insect borer infestation. Similarly, string trimmer impact can sometimes bruise or girdle the cambium (the vital layer of tissue under the bark).
Incidences of the dread disease cancer among Labrador retrievers are rising, and that is leading to the deaths of younger dogs. Labs are also prone to serious health problems, such as with their joints and bones, hip and elbow dysplasia and epilepsy as well as osteoarthritis which is prevalent in older dogs.