Medical Definition of MOLECULAR GENETICS. : a branch of genetics dealing with the structure and activity of genetic material at the molecular level.ADVERTISEMENT.edical Definition of MOLECULAR GENETICS. : a branch of genetics dealing with the structure and activity of genetic material at the molecular level. Britannica.com: Encyclopedia article about molecular genetics.
We often think of exercise only as a health issue, but it has significant day-to-day effects on a dogâs behavior as well. Dogs â particularly puppies and young dogs â have a lot of energy, and if they donât get the chance to burn it off, destructive behavior is often the result. Dog parks are popular places for off-leash exercise and romping with other dogs, which is exactly what most dogs need. 2  However, not all dogs can play nicely with others. 3  If your dog doesnât like other dogs, the dog park is definitely not the place for him. 4  Doggie day care can exercise both his mind and body.
The number one reason dogs are anxious, aggressive, and unhappy is because they lack adequate exercise. - Steven Brown DVM  The importance of the dog walk has seemed to slip away in this country. Proper exercise in dogs is the single most important preventative measure one can take for the longevity of their pet, as well as for their mental and emotional well being. The number one reason dogs are anxious, aggressive, and unhappy is because they lack adequate exercise..