(HealthDay News) -- Scuba diving requires careful training and preparation, or you can suffer the health effects of the difference in pressure between the spaces in your body and the higher water pressure as you dive deeper.
Diving without training can raise your risk of problems including dizziness, chest pain and shortness of breath. More serious medical problems can include decompression sickness (the "bends").
The American Academy of Family Physicians offers these general guidelines for safer scuba diving: