Abstinence means to avoid or not want to do something. It is preferred that high school children under the age of 18 restrain from sexual activity. (Hope this helps if it did pls mark brainliest!)
A lot lower risk of getting serveral differnt types of cancer to insure she isnt caught cheating and punishment to follow if she was drug tested at work, or at school, to prevent her from going into heavy depression later in life
The answer is endocrine system because it deals with hormones around the body and is controlled by the pituitary gland.
The Manual of Mental Disorders (DSM-IV-TR). This manual, which at the moment is at its fifth edition (DSM-V-TR), is the standard book by which psychiatric and psychological practicioners diagnose different mental conditions. It is also used as a references for many other practicioners which work in related fields.