Pets that are known to be beneficial for individuals with PTSD include dogs, cats, and even therapy animals such as horses. Dogs, especially service dogs trained to provide support for individuals with PTSD, can offer emotional comfort, reduce anxiety, and help with managing symptoms. Cats are also known for their calming presence and can provide companionship and stress relief. Additionally, interactions with therapy animals like horses have been shown to have positive effects on mental health and well-being for those with PTSD. Ultimately, the best pet for someone with PTSD will depend on their individual preferences and needs.