Helicopteritus
Consult them about it. Its very bad for their health.
This is not within the criteria of what qualifies being diagnosed with Bipolar Disorder. I have Bipolar Disorder and have known many other with the disorder. Obsessive Compulsive Disorder is a possible category for someone who you see as a "health freak".
PTSD - The causes, and cures
Borderline personality disorder is another way to say anxiety, basically. It is a mental health disorder that causes emotional instability. It is often diagnosed by a psychiatrist.
Yes, self-harming behavior such as hitting oneself can be a symptom of several mental health conditions, including borderline personality disorder, certain types of depression, and some forms of autism spectrum disorder. It is important to seek help from a mental health professional if you or someone you know is engaging in self-harming behavior.
Many anxiety disorders, including social anxiety disorders, panic disorders and post traumatic stress disorder, can lead to mental and physical health problems.
Bipolar disorder, formerly called manic depression, is a mental health condition that causes extreme mood swings that include emotional highs (mania or hypomania) and lows (depression).
A biological disorder is when something is physically wrong with the body or causes problems with the body (such as brain cancer) Example: Attention deficit disorder (ADD ADHD) is one of the most researched areas in child and adolescent mental health. Which is a biological disorder. Hope it helped. - Azad
This could be a sign of a mental health disorder, such as anxiety, depression, or a personality disorder. Seeking help from a mental health professional is important to address these issues and develop coping strategies to improve functioning and well-being.
Burning things is only a mental disorder if it is a compulsion. That is called pyromania. Very often, pyromania is a precursor to psychopathy and antisocial behaviors in general.
Obesity is not a mental disorder. However, being obese can negatively affect emotional health, in addition to physical health. To learn more about the known causes of obesity, see the page link, further down this page, listed under "Related Questions."
Down syndrome is purely genetic. There are no known environmental causes of the disorder. It is not a disease that is passed from parent to child. It is simply an disorder when the chromosomes split during cell division during development. The mayoclinic describes the causes: http://www.mayoclinic.com/health/down-syndrome/DS00182/DSECTION=causes