Can scuba diving be done without training?

Answer 1

No. Scuba diving in dangerous, there is no way of doing it without an experieced diver giving you extensive training. Trying to dive without training is just an expensive way of killing yourself.

Answer 2

In a word... No. Not everyone can go scuba diving. SCUBA diving is a physically demanding activity and as such some medial issues that can prevent someone from diving:

• Asthma
• Recent heart surgery
• Serious lung or chest disease (particularly where surgery was involved)
• Epilepsy, fitting, convulsions and seizures, or taking medications to prevent them
• Diabetes requiring insulin.
• Pneumothorax (collapsed lung) even after a surgical procedure designed to prevent recurrence
• Any neurological abnormality where there is a significant probability of unconsciousness
• Pregnancy

Other conditions may require a medical examination in order to obtain certification. Check out the certification agencies at the related links for more information.