What Seven Days of Fasting Does to the Human Body

A new experimental injection is drawing attention because it does something most obesity treatments do not try to do directly: it targets fat cells themselves. According to a summary released October 11, 2026, by the European Association for the Study of Diabetes, scientists have developed an injection that can destroy fat cells, reduce dangerous belly fat, and may help limit the weight regain that often follows the end of treatment with drugs such as Ozempic and Wegovy. That is a big claim,...

A long workout once in a while can feel productive, but sleep may care more about rhythm than hero effort. That is the question behind a study published in the Journal of Physical Activity & Health. Researchers examined activity and sleep data from University of Texas students who wore Fitbit devices over several months. Rather than focusing only on total exercise time, they looked at another pattern: how many days per week students exercised, and whether that frequency related to sleep...