A new study suggests that the common
tendency to regain weight after dieting may be rooted in the brain rather than
a lack of willpower. Researchers found that weight loss triggers changes in
brain circuits involved in hunger, reward, and food motivation, making people
more likely to eat and regain lost weight.

The findings, according to an article
published by The Conversation, indicate that the brain responds to calorie
restriction by increasing the drive to seek food while reducing the body’s
energy expenditure, creating biological pressure to restore lost weight. These
adaptive mechanisms may explain why long-term weight maintenance remains
challenging for many people.

The researchers say a better understanding
of these brain-driven processes could help develop more effective obesity
treatments that target the biological factors behind weight regain, alongside
diet and lifestyle interventions.