"The leading cause is cancer, particularly histiocytic sarcoma ... Despite their size, they are gentle and often quite sensitive to pain." "The Neapolitan Mastiff is an ancient guard breed and is ...

Theories for why abound, from age-related illnesses affecting big dogs sooner to a higher likelihood of abnormal cell growth and death from cancer because of the ... the good-natured Neapolitan ...

Theories for why abound, from age-related illnesses affecting big dogs sooner to a higher likelihood of abnormal cell growth and death from cancer ... good-natured Neapolitan mastiff has been ...