Al-Mawasi, Gaza Strip – Sweat streams down Tareq Abu Youssef’s face as he struggles through his gym workout on makeshift bodybuilding equipment, each movement more laboured than it should be.The 23-year-old Palestinian deliberately keeps his training sessions minimal, a painful reduction from the intensive routines he once loved – but in a territory where nearly everyone is starving, maintaining muscle mass has become an act of survival and resistance.“I have dropped 14 kilograms, from 72kg to 58kg (159lb to 128lb), since March,” Abu Youssef said, referring to when Israel tightened its siege by closing border crossings and severely restricting food deliveries. “But if eating has become an abnormality in Gaza, working out for bodybuilders like us is one rare way to maintain normalcy,” he tells Al Jazeera.His story reflects a broader humanitarian catastrophe: Across Gaza’s 365 square kilometres, 2.1 million Palestinians face what aid agencies describe as deliberate, weaponised hunger.The UN Office for the Coordination of Humanitarian Affairs (OCHA) reports that virtually the entire population faces “catastrophic” levels of food insecurity, with northern Gaza experiencing famine conditions. Doctors Without Borders, known by its French initials MSF, has documented severe acute malnutrition cases throughout the Strip, describing the crisis as “man-made” and deliberately imposed. The World Food Program …