In 2019, twenty adults spent a month in a clinical research center run by the U.S. National Institutes of Health. For two weeks they ate mostly ultra-processed food, and for two weeks minimally processed food. Researchers deliberately designed the offered…
There is a simple way to notice the difference between hunger and the desire to eat. Imagine that you have just had a substantial dinner and someone offers you another serving of exactly the same food. You would probably refuse.…
The strangest form of sleep deprivation does not begin when a person cannot fall asleep. It begins when sleep is possible, the alarm is set for early morning, the eyes are already tired, and the hand still starts the next…