Doctor's 10 rules for living longer, celebrating more birthdays and making extra years count

As scientists increasingly investigate how everyday habits may influence health and aging, one longevity doctor says the keys to a longer, healthier life don't require expensive supplements, elaborate biohacks or cutting-edge treatments.

Dr. Michael Hall, a Miami Beach longevity physician and author of the new book, "Infinite Youth," has identified what he calls the "10 commandments of longevity," which he believes can help people extend their healthiest years.

Hall said the principles...