The dog constantly brings the ball to the newborn with hopes she'll throw it for him.

Lucy Notarantonio is Newsweek's Senior Lifestyle and Trends Reporter, based in Birmingham, UK. Her focus is trending stories and human interest features ranging from health, pets and travel.

Ball-launchers allow dog owners to throw balls up to three times further than they could be hand. Explaining why, Felicity, who is a Chartered Physiotherapist and Veterinary Physiotherapist ...