Just call him Dr. Milo. Research has shown that a cat’s purr helps lower stress and blood pressure in themselves as well as their owners. Milo, a feral kitten born in mid-August on the grounds of the Highwood Trailer Court, had to learn to purr when he was taken in by his foster mom. (Feral cats don’t purr or meow in order to protect themselves from predators.) With his newfound talent purr-fected, Milo’s rumbly vocals could be just what the doctor ordered.