Dear Dr. Fox: We have an 18-month-old German shepherd/Lab/Akita mix who we adopted from the Humane Society at 5 months old. She is very smart, and I have trained her to have good manners and do many ...

Aggressive dogs bite people more than 4.5 million times each year, according to the American Veterinary Medical Assocation. About 20 percent of those dog bites need medical attention. If you're ...