The anatomical shape of the adult spine also contains four basic curvatures. The thoracic and sacral regions are concave anteriorly, while the cervical and lumbar regions are concave posteriorly. This unique shape of the spine allows it to support the weight of the human body.
About 400 deaths a year might be prevented if more people wore rear seatbelts
Here are tips to help you figure out if you need to see a therapist:
If you have a definite change in personality.
If you feel you can't cope with life's problems.
If you have odd ideas or delusions.
If you feel sad or depressed for longer than two weeks.
If you have frequent mood swings.
If your eating or sleeping habits change greatly.
If you are abusing alcohol or drugs.
If you have excessive anger or hostility.