'Mental Health' is a state of well-being in which an individual realizes their abilities, can cope with the normal stresses of life, and can work productively while being able to contribute to the community.
Although there a lot, the most commons ones are...
-Depression: A mental health disorder characterized by persistanly depressed mood or loss of interest in activities, causing a significant impact in their life.
-Anxiety: A mental health disorder charecterized by feelings of worry, anxiety, or fear that is strong enough to interfere with ones daily activity.
-Bipolar Disorder: A disorder associated episodes of of mood swings ranging from depressive lows to manic highs.
-ADHD: A chronic condition including attention difficulty, hyperactivity, and impulsiveness.
-Post Traumatic stress disorder (PTSD): A disorder in which a person has difficulty recovering after experiencing or witnessing a terrifying event
These mental health issues are all similar although each person has a different way to cope with it. If you keep reading you'll learn more about how you can help someone with a mental ilness and some tips on how you can approach them.