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3) Habits
• Give up smoking completely.
• Drink only moderate amounts of alcohol.
• Restrict your caffeine consumption (e.g., coffee).
4) Physical constitution
• After a preliminary medical examination, do regular exercise.
• Choose sports which require stamina and avoid those which require
strength.
• Avoid reaching the limit of your performance.
• With previous illnesses and/or an age of over 40 years, please consult
your doctor before beginning your exercise routine. You must receive
advice regarding the type and extent of exercise that is appropriate for
you.
