Cats vs dogs: which pet is better for your health?

Ten years ago, Elisa Roche had recently recovered from cervical cancer, suffered a miscarriage and had broken up with her boyfriend. “I felt really low,” she recalls. Her tonic? She went online and found a litter of puppies in Dorset then travelled by train, in the pouring rain, to take possession of the last one left, a miniature dachshund-chihuahua cross she named Dolly. “I think it is no coincidence that following a miscarriage I opted for a tiny animal who needed looking after,” says Roche n