A Weighty Issue Ielts Reading Answers Site

A major breakthrough occurred in 1994 when Professor Jeffery Friedman identified leptin , a hormone produced by fat cells that signals the brain's hypothalamus to suppress appetite.

The passage might say "a marked increase in adiposity" while the question says "significant weight gain." They are the same. Learn to recognize: A Weighty Issue Ielts Reading Answers

Example:

Obesity is one of the most significant public-health challenges of the 21st century. Once framed primarily as an individual concern about willpower and diet, excess weight is now understood as the outcome of complex, interacting forces: biological predispositions, food environments, socioeconomic conditions, cultural norms, and public policy. Addressing obesity effectively therefore requires going beyond simple advice to eat less and exercise more; it demands coordinated actions that reshape environments, reduce inequities, and support people with evidence-based medical and social care. This essay outlines the scale and causes of the problem, examines why simple solutions fail, evaluates promising interventions, and argues for a comprehensive, humane strategy that balances prevention, treatment, and social justice. A major breakthrough occurred in 1994 when Professor