Related to: 'Is Butter a Carb?'

Allison Hill

Dr. Allison Hill received her MD from Loyola University in Chicago and completed her residency in OB/GYN at Los Angeles County-USC School of Medicine. Dr. Hill is board-certified and a Fellow of the American College of OB/GYN. She is a past Chairman of the Department of OB/GYN and currently serves as the Vice Chief-of-Staff at Good Samaritan Hospital. She was also one of the featured doctors on the acclaimed Discovery Health Network reality show, Deliver Me. Dr. Hill has been in private practice for more than 15 years. The mother of two children, she enjoys spending time with her kids, yoga and running.

Catherine Atkinson

Catherine Atkinson has a degree in Food and Nutrition BSc (Hons). She has been Deputy Cookery Editor on Woman's Weekly magazine and later Cookery Editor of Home. Catherine is now a full-time writer and food consultant to various lifestyle and health magazines and has written more than sixty cookbooks. She specialises in healthy eating and her recent published books include 'Coconut water and coconut oil', 'Nut milks and nut butters' and 'Power blends and smoothies'

Claudia Herbert

Dr Claudia Herbert is a Chartered Consultant Clinical Psychologist, CBT Psychotherapist, EMDR Consultant, Schema Therapist, Psychological Practice Supervisor and Director of the Oxford Development Centre Ltd.

Colin Espie

Colin A. Espie PhD, DSc is Professor of Sleep Medicine in the Nuffield Department of Clinical Neuroscience and a Fellow of Somerville College, University of Oxford. He is Research Director of the Experimental and Clinical Sleep Medicine program within the Sleep & Circadian Neuroscience Institute, and Clinical Director of the Oxford Online Program in Sleep Medicine. Dr Espie has authored/co-authored over 200 publications and books, particularly on CBT, and is co-founder of Big Health (Sleepio) which develops digital interventions for insomnia.

Donald M. Vickery

Donald M. Vickery, MD, helped develop the first medical decision charts for non-doctors. Formerly the head of the nonprofit Self-Care Institute, he died in 2008. Fries and Vickery also coauthored, with Robert H. Pantell, Taking Care of Your Child.

Dr. Jennifer Gunter

Jen Gunter, MD, is an OB/GYN and a pain medicine physician. She writes a lot about sex, science, and social media, but sometimes she writes about other things because, well, why not? She has been called Twitter's resident gynecologist, the Internet's OB/GYN, and one of the fiercest advocates for women's health. She first started her quest to help provide quality information by writing The Preemie Primer, a guide for parents of premature babies. In addition to her academic publications, her writing has appeared in places like The New York Times, The Cut, USA Today, The Hill, and Self. She has taken on politicians, celebrities, and the press over misinformation and fake news about women's health care.Dr. Gunter was born and raised in Winnipeg, Canada, and graduated from The University of Manitoba School of Medicine in 1990 at the age of 23. In 1995 she completed her OB/GYN training at the University of Western Ontario and moved to the United States to complete a fellowship in infectious diseases at the University of Kansas. After completing her fellowship she continued studies in pain medicine. She is board certified in OB/GYN in both Canada and the United States. She is also board certified in pain medicine. Dr. Gunter lives in the San Francisco Bay Area with her two sons, her chocolate lab, and her one-eyed cat Luna.

Elisa Black

It was only following a misguided spell in a German girl band that Elisa finally settled on a career in journalism a decade ago.After post-grad study at the University of South Australia, she moved to Brisbane where she spent her first weeks in newspapers covering the sports round, rapidly learning there is, in fact, no such thing as a handball in rugby.A stint in magazines and feature writing followed before she returned to Adelaide to work first as an entertainment reporter and then as health and family reporter for a weekend newspaper.She vacillates between hoping desperately for a resurgence in the popularity of the written word, and terror that, one day, her boys will read exactly what she has been writing about them.Elisa's website: elisablack.com.au

Gayle Greene

Gayle Greene is a Professor of Literature and a life-long insomniac. She is a member of the American Academy of Sleep Medicine, a professional medical society for researchers and clinicians, and is the patient representative on the board of the American Insomnia Association.

Gretchen Becker

Gretchen Becker is a writer and editor specialising in medical books, and a type-2 diabetic, who lives in Vermont, USA.Gretchen Becker is a writer and editor specialising in medical books, and a type-2 diabetic, who lives in Vermont, USA.

James F. Fries

James F. Fries, MD, is Professor of Medicine, Emeritus, at Stanford University. His work involves the study of health outcomes and how to improve them, prevention of disease by reduction in health risks, self-care techniques, and health economics. He has published over 300 scientific articles and 11 books.

James Le Fanu

James Le Fanu has combined a career as a General Practitioner in South London with writing about medicine and science for the Sunday and Daily Telegraph. He has also contributed articles and reviews to The Times, Spectator, New Statesman, Literary Review, British Medical Journal and Journal of The Royal Society of Medicine. His much acclaimed 'The Rise and Fall of Modern Medicine' won the Los Angeles Times book prize in 2001. His most recent book, 'Why Us?', was published jointly by HarperCollins in the UK and Random House in the US in 2009. He was elected a Fellow of the Royal College of Physicians in 2014.

Jill Sklar

Jill Sklar is vice-president of the Michigan chapter of the Crohn's and Colitis Foundation of America. She is an award-winning writer who specialises in medical writing and her articles have appeared in the New York Times, Style Magazine and Digestive Health and Nutrition Magazine.

Klaus Laitenberger

Formerly the Head Gardener at the Organic Centre at Rossinver, Co. Leitrim, Ireland, Klaus Laitenberger has been growing vegetables organically for 20 years in the UK and Ireland.

Margaret Blackstone

Margaret Blackstone, a graduate of Yale University, is author of several books on a variety of medical topics, including Beat Diabetes and Recovering from a C-Section.Margaret Blackstone, a graduate of Yale University, is author of several books on a variety of medical topics, including Beat Diabetes and Recovering from a C-Section.

Matthew Johnstone

Matthew Johnstone is an artist, writer and exhibited photographer. New Zealand born, he worked in advertising in Sydney, San Francisco and New York. He now resides inSydney with his family. He and his wife, Ainsley, know all too well what it's like to live with a 'black dog' - Matthew has personally experienced the hell of depression, while Ainsley has first-hand knowledge ofthe frustration and confusion almost always felt by those who care for a depressed person. Together they are uniquelyable to offer practical and helpful advice.

Michael A. Tompkins

Michael A. Tompkins, PhD, ABPP, is codirector of the San Francisco Bay Area Center for Cognitive Therapy; assistant clinical professor at the University of California, Berkeley; and a diplomate and founding fellow of the Academy of Cognitive Therapy. Tompkins specializes in the treatment of anxiety disorders and obsessive compulsive spectrum disorders in adults, adolescents, and children. He is the author or coauthor of numerous articles on cognitive behavioral therapy (CBT) and related topics, as well as seven books, including three books published by New Harbinger Publications, Digging Out, OCD: A Guide for the Newly Diagnosed, and Anxiety and Avoidance. Tompkins serves on the Advisory Board of Magination Press, the children's press of the American Psychological Association. He is a certified supervisor and trainer for the Beck Institute for Cognitive Behavior Therapy and the Academy of Cognitive Therapy. Tompkins has been featured in The New York Times, The Wall Street Journal, on NPR, and has presented over 250 workshops, lectures, and keynote addresses on CBT and related topics.

Nicole Hunn

Nicole Hunn is the author of the Gluten-Free on a Shoestring series and blog, which has been featured in the New York Times and MSN Money. Her work has appeared in Better Homes and Gardens, Parents magazine, Parade magazine, and Epicurious.com. She lives in Westchester County, New York. www.glutenfreeonashoestring.com

Patrick Holford

Patrick Holford is founder of the Institute for Optimum Nutrition in London. He is also director of the Food for the Brain Foundation and an honorary fellow of the British Association of Nutritional Therapy. He is one of Britain's top nutrition experts and is the author of over 25 health books.

Rachel Landon

Rachel Landon is a former model and qualified with honours in Naturopathy Herbal Medicine and Iridology. She now has her own practice working with patients holistically, in order to support the body and immune system with bespoke supplements, herbs and nutritional plans. She is also a fully trained yoga therapist for children with learning and social difficulties working in schools around London and has taught herbal salve and formula courses at The Life Centre using easy-to-find local herbs.She has written articles for Get The Gloss, Neal's Yard Remedies, Thandie Kay blog, Stylist magazine France and Your Fitness magazine.

Sarah Flower

Sarah Flower is trained in nutrition and nutritional medicine and author of 15 books, including the bestselling The Everyday Halogen Oven Cookbook. Sarah and her young son have lived on a sugar free diet for the last 3 years. As a nutritionist and journalist, Sarah has written many articles on diets, including sugar free, grain free, low carb and high protein. She runs workshops at local schools, talking to parents and teaching children how to cook and eat a healthy diet.