@CNN: Yes, exercise helps you live longer and lowers risk of some diseases. But it could lead to better mental health, too, according to a new study https://t.co/3xmdS3zL3a https://t.co/aWvCYFw6EI

@CNN: Yes, exercise helps you live longer and lowers risk of some diseases. But it could lead to better mental health, too, according to a new study https://t.co/3xmdS3zL3a https://t.co/aWvCYFw6EI