Adding a vitamin B complex supplement to your diet, one that especially has B6, is important to prevent kidney stones, points out the Doctor Yourself website. B6 deficiency has been shown to contribute to the development of kidney stones.
1 Mental illness refers to all of the diagnosable mental disorders and is characterized by abnormalities in thinking, feelings, or behaviors. 2  Some of the most common types of mental illness include anxiety, depressive, behavioral, and substance-abuse disorders. 3  There is no single cause for mental illness.
The most common developmental disorder is mental retardation. According to the CDC, more than one out of every 100 school children in the United States has some form of mental retardation. Cerebral palsy is the second most common developmental disorder, followed by autism spectrum disorders.