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Karen's Blogs

Blogs are brief, to-the-point, conversational and packed with information, strategies, and tips to turn troubled eaters into “normal” eaters and to help you enjoy a happier, healthier life.Sign up by clicking "Subscribe" below and they’ll arrive in your inbox. 

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The Basics of Leptin

Some of you may have heard of leptin and some of you may be hearing the word for the first time. Leptin is a hormone produced by fat cells that signals your brain that you’ve had enough food. If you’re serious about understanding appetite and weight-related body chemistry, here’s the quick-and-dirty on leptin.

According to an ENVIRONMENTAL NUTRITION (February 2011) article, Lessons About Leptin, Weight and Your Eating Environment, when you eat more calories than your body needs, they are stored in fat cells as fat. As fat is socked away, your leptin levels elevate and are released into your bloodstream, alerting your brain that you’ve consumed enough nutrients. Conversely, by losing weight through reducing fat stores, your leptin levels plummet, signaling your brain to believe that your body is in starvation mode which increases food-seeking behavior. Throughout history, this balance of stored calories evolved to help us take in the amount of food we needed to survive.

Discovered in 1994, leptin was at first thought to be the panacea to curbing obesity. The thought was to increase leptin to suppress appetite, which would lead to eating less and losing weight, and studies were conducted upping leptin through injection in obese patients. This increase was based on the erroneous assumption that obese people have low levels of leptin and, therefore, do not receive a body signal that they’re satiated—which turns out not to be the case.

Martin G. Myers, Jr., M.D., Ph.D., associate professor of internal medicine at the University of Michigan Medical School explains that “…if you have someone very obese…adding extra leptin doesn’t appear to help with weight loss. Leptin can’t do the job all by itself with environmental factors that promote overeating.” That said, it appears that recent clinical trials have found that leptin in combination with a hormone called amylin may yield more promising results. However, Myers cautions not to look to leptin to curb your eating and warns against supplement scams that promise quick weight loss through leptin manipulation.

He does encourage people to recognize the impact of their environment on their eating, including not keeping tempting foods around. Although, as a generalization, I disagree with this advice, I do believe that reducing plate and portion size and whisking food off the table after a meal helps. In the long run, however, troubled eaters have to learn how to live in a goodies-laden food world by managing their urges for unwanted eating.

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This website is owned and operated by Karen R. Koenig, M.Ed., LCSW. It contains material intended for informational and educational purposes only, and reasonable effort is made to keep its contents updated. Any material contained herein is not to be construed as the practice of clinical social work or of psychotherapy, although adherence to applicable Florida States, Rules, and Code of Ethics is observed. Material on this website is not intended as a substitute for medical or psychological advice, diagnosis, or treatment for mental health issues or eating disorder problems, which should be done only through individualized therapeutic consultation. Karen R. Koenig, LCSW disclaims any and all liability arising directly or indirectly from the use of any information contained on this website. This website contains links to other sites. The inclusion of such links does not necessarily constitute endorsement by Karen R. Koenig, LCSW who disclaims any and all liability arising directly or indirectly from the use of any information contained in this website. Further, Karen R. Koenig, LCSW, does not and cannot guarantee the accuracy or current usefulness of the material contained in the linked sites. Users of any website must be aware of the limitation to confidentiality and privacy, and website usage does not carry any guarantee or privacy of any information contained therein.  Privacy Policy