Mental illness is extremely common, and can manifest itself in many different ways. Unfortunately, not everyone gets the help they need to stay healthy—60% of American adults do not receive treatment for mental illness, even after diagnosis. With the stigma associated with mental illness, some are afraid to seek diagnosis and treatment. Treatment can also be expensive, or cause unwanted side effects that can be worse than the illness itself, and our ability to treat and eliminate mental illness is still limited. Though it cannot solve all the problems associated with mental illness or addiction, exercise can be a tool for people struggling with these issues, as it has numerous benefits and is completely free and accessible. It’s also a great tool for people who are often stressed, anxious, or have trouble relaxing. Here are just 5 of the many reasons exercise can have a positive impact on mental health: