Labrador Retrievers are often categorised in one of two ways: English Labs or American Labs. The differences are principally behavioural, though there are differences in appearance as well. Behaviorally, English Labs tend to be more easily trainable, and are often considered better for non-professional owners to keep as pets or hunting companions.[22] American Labs tend to be more energetic and, having been bred to compete in field trials, are better suited for professional owners with more experience and time to devote to training. In terms of appearance, English Labs tend to more prominently exhibit the 'blocky' heads for which Labrador Retrievers are known, whereas American Labs tend to be leaner and longer-legged.[23][24]
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Outside North America and Western Europe, the Labrador arrived later. For example, the Russian Retriever Club traces the arrival of Labradors to the late 1960s, as household pets of diplomats and others in the foreign ministry.[75] The establishment of the breed in the Commonwealth of Independent States (former USSR) was initially hindered by the relatively small numbers of Labradors and great distances involved, leading to difficulty establishing breedings and bloodlines;[75] at the start of the 1980s, home-born dogs were still regularly supplemented by further imports from overseas.[75] Difficulties such as these initially led to Labradors being tacitly cross-bred to other types of retriever.[75] In the 1990s, improved access to overseas shows and bloodlines is said to have helped this situation become regularised.[75]
The Labrador should be short-coupled, with good spring of ribs tapering to a moderately wide chest. The Labrador should not be narrow chested; giving the appearance of hollowness between the front legs, nor should it have a wide spreading, bulldog-like front. Correct chest conformation will result in tapering between the front legs that allows unrestricted forelimb movement. Chest breadth that is either too wide or too narrow for efficient movement and stamina is incorrect. Slab-sided individuals are not typical of the breed; equally objectionable are rotund or barrel chested specimens. The underline is almost straight, with little or no tuck-up in mature animals. Loins should be short, wide and strong; extending to well developed, powerful hindquarters. When viewed from the side, the Labrador Retriever shows a well-developed, but not exaggerated forechest.
Labradors like to eat, and without proper exercise can become obese. Laziness is a contribution to this. Obesity is a serious condition and can be considered the number one nutritional problem with dogs. A study shows that at least 25% of dogs in the United States are overweight.[71] Therefore, Labradors must be properly exercised and stimulated. A healthy Labrador can do swimming wind sprints for two hours, and should keep a very slight hourglass waist and be fit and light, rather than fat or heavy-set. Obesity can exacerbate conditions such as hip dysplasia and joint problems, and can lead to secondary diseases, including diabetes. Osteoarthritis is very common in older, especially overweight, Labradors. A 14-year study covering 48 dogs by food manufacturer Purina showed that Labradors fed to maintain a lean body shape outlived those fed freely by around two years, emphasising the importance of not over-feeding. Labradors should be walked twice a day for at least half an hour.[72] 

en Well, I figure with her being ridiculously book- smart to the point where she has almost no interpersonal skills, and you being warm and cuddly as an un- potty trained labradoodle... and about as useful in high- stress medical situations as an un- potty trained labradoodle... _ together _ the two of you make one barely passable doctor... slash labradoodle