Dr. Oz tackles the entire alphabet of disease prevention. Uncover how abdominal bloating, bladder issues and changes in sense of smell could be warning signs. Learn how to decode your body's messages. 

Click here for Part 2 of Warning Signs from A to Z.

Click here to read more about the Alzheimer’s smell test.

Click here to see the full Dr. Oz Alphabet.

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.