Kim Musikant

The Siblings Who Refused to Go to Bed: Leptin and Ghrelin Leptin and Ghrelin are hormones. These cute little guys are from the neuroendocrine system. The neuroendocrine system is the system in our bodies responsible for controlling our appetites! That is worth repeating. The neuroendocrine system is responsible for managing our appetites. (Ever notice that when you are sleep deprived, you crave carbs? Read on...) Leptin tells our brain, "Ok, I am good to go. I am full. I don't need any more food right now." Leptin tells us when we are satisfied - commonly called the satiety factor. However, when we are sleep deprived, Leptin is decreased. In short, less sleep equals a decrease in food being able to satisfy us, which leads to overeating and weight gain. Ghrelin signals our caloric needs. Ghrelin tells us when to eat and how much to eat. Lack of sleep increases Ghrelin, thereby increasing the need to eat more. Decreases in Leptin and increases in Ghrelin, caused by sleep lo...

Why So Many Women Quit Exercising in Midlife—And How to Turn It Around According to BMC Women's Health , nearly half of women reduce or stop regular exercise during the midlife period . Add in the natural decline in metabolism and muscle mass that comes with age, and it’s no wonder so many women struggle with unwanted weight gain, low energy, and increased risk of chronic conditions. But here’s the good news: you can reverse this trend—and feel better than ever. A landmark 2014 study,  "Factors Influencing Adherence to Regular Exercise in Middle-Aged Women ," identified three key motivators that increase the likelihood that  women in their 40s, 50s, and beyond will stick with an exercise routine. These insights are even more relevant today. 1. A Consistent Daily Structure That Includes Exercise By midlife, most women are juggling a lot —careers, aging parents, kids (or adult kids!), relationships, and community commitments. With so many competing demands, movement of...