Joanna Dolgoff, M.D., 1/16/12

Pediatrician, Child Obesity Specialist, and Author of 'Red Light, Green Light, Eat Right!'

The surest way to succeed in keeping your health goals is by making small changes. Think in terms of manageable baby steps, like swapping the half-and-half in your morning coffee for fat-free or low-fat milk.

Dr. David White, M.D., 1/15/12

Chief Medical Officer for Philips Home Healthcare Solutions

It's no secret that today's nonstop lifestyle is detrimental to our sleep. Whether due to work, television, stress or any number of other reasons, more Americans are staying up late and getting up early.

Dr. Isaac Eliaz, 1/14/12

Dr. Isaac Eliaz is a respected clinical practitioner

Your body's many systems work closely together to maintain optimal health, so when one system is off balance it can trigger a domino effect, potentially igniting a cascade of chronic health complications.

Richard W. Besdine, M.D., 1/13/12

For many older Americans, their relationship with the most important drugs in their medicine cabinets can be described as "Can't live with 'em, can't live without 'em."

Daniel Amen, M.D., 1/13/12

Author, 'Change Your Brain, Change Your Body'

There are a host of new studies that show that as your weight goes up, the actual size and function of your brain goes down. It appears that if you get serious about being healthy, you can reverse the brain damage. But now is the time to start.

Ann Brenoff, 1/13/12

Senior Writer, The Huffington Post

AARP reports that there is "mounting evidence" that sitting increases our risk of cancer, obesity, diabetes and early death "even for people who exercise daily."

Hollye Harrington Jacobs, 1/11/12

Nurse, Social Worker, Educator, Author www.TheSilverPen.com

While I continue to look for and always find silver linings in every day, I don't want to give the impression that, for one second, this is easy-breezy. Having cancer is really F-Bomb hard.

Tony Horton, 1/11/12

Creator of P90X®

For some reason, too many of us have forgotten (or have never been taught) that joy, happiness, health, fitness, loving relationships and financial success all stem from hard work, persistence and the occasional bit of physical, mental or emotional discomfort.

Kenneth L. Weiner, M.D., FAED, CEDS, 1/10/12

Founding Partner, Chief Medical Officer, Chief Executive Officer, Eating Recovery Center

Despite rising awareness among the general population and health care professionals alike, misconceptions about eating disorders, which have the highest mortality rate of any mental illness, remain pervasive.

Lloyd I. Sederer, MD, 1/10/12

Medical director, New York State Office of Mental Health

In this new book on Alzheimer's prevention, Dr. Gary Small and his co-author (and spouse) Gigi Vorgan clearly lay out a plan to prevent, delay and diminish the symptoms of AD for those who are at risk, which is most of us if we live long enough.

Deepak Chopra, 1/10/12

Author, 'War of the Worldviews'; Founder, The Chopra Foundation

Many people think that sleep apnea is snoring, but although it's frequently associated with snoring (commonly a wife will bring her husband to the doctor with complaints about being kept awake), apnea is a different condition.

Loren Ridinger, 1/6/12

Senior Vice President, Marketamerica.com and SHOP.COM

The madness started at the end of August when I discovered a lump in my breast. It wasn't the typical small lump that I have had before; this one was big, much bigger.

Dr. Michael J. Breus, 1/9/12

Clinical Psychologist; Board Certified Sleep Specialist

Sleep was in the news throughout 2011, with breakthrough research and advances in our understanding of why we sleep, and how sleep -- or a lack of it -- can affect health and wellbeing.

Thomas P. Connelly, D.D.S., 1/6/12

NYC Cosmetic Dentist

Some people think cosmetic dentistry is something that only movie stars get to enhance their smile. Truthfully, that's far from the reality -- while I have done plenty of stars' and athletes' teeth, many of my patients are everyday people who are simply looking to have a better smile.