Dear Dr. Fox: I have a 3½-year-old Akita mix that has been with us for the last two years. At first he was very aggressive with other dogs. It’s getting better, but he has a way to go. Any suggestions ...

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 ...