Gates is co-author, with Chuck Collins, of the book Wealth and Our Commonwealth: Why America Should Tax Accumulated Fortunes, a defense of the policies promoted by the estate tax. He married Mary Maxwell Gates, whom he met at UW, and who died in 1994. They had three children: Kristianne, Bill, and Libby.
Symptoms of heartworm disease may include loss of appetite, lethargy, exercise intolerance, weight loss, fever, dyspnea (difficult, labored breathing, shortness of breath), coughing, weakness, dull dry coat, and hemorrhage. There are no symptoms at all until the disease is advanced.
Heartworms are a thread-like parasitic worm that infest your dog's heart and lungs. They are spread by mosquito bites. If your dog's heartworm infestation becomes severe, he could exhibit heavy breathing symptoms. He might also cough, cough up blood phlegm, and retain fluid in his abdomen.