The best pet for mental health can vary depending on individual preferences and needs. However, many people find that owning a dog or a cat can have positive effects on their mental well-being. Dogs provide companionship, encourage physical activity through walks, and offer emotional support. Cats are known to reduce stress and anxiety levels through their calming presence and purring. Ultimately, the best pet for mental health is one that brings you joy, comfort, and a sense of connection.