Copied from PADI's web site :
www.padi.com/padi/en/sd/whatstofear.aspx#deep
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Scuba diving gives you a unique way to face your challenges and transform your life in new ways. Becoming a diver can give you confidence that spills over into the way you face life every day.
Its normal to have questions whenever you begin an activity like diving. Your local PADI Dive Center or Resort can provide you with answers, and below youll find the answers to many questions people commonly have.
Q: My ears hurt when I go to bottom of a swimming pool or when I dive down snorkeling. Will that keep me from becoming a scuba diver?
Q: Does a history of ear troubles, diabetes, asthma, allergies or smoking preclude someone from diving?
Q: What are the most common injuries or sicknesses associated with diving?
Q: What about sharks?
Q: Do women have any special concerns regarding diving?
Q: How deep do you go?
Q: What happens if I use up all my air?
Q: What if I feel claustrophobic?
Q: How deep do you go?
A: With the necessary training and experience, the limit for recreational scuba diving is 40 metres/130 feet. Beginning divers stay shallower than about 18 metres/60 feet. Although these are the limits, some of the most popular diving is no deeper than 12 metres/40 feet where the waters warmer and the colors are brighter.
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100 feet for OW cert. :no :shakehead :no