Obaidur Rahman on Instagram: "She was just 28. Young, ambitious, working long hours, barely finding time to eat. Like millions of others, she wanted a shortcut something to shed the weight quickly. Her friends called it a “miracle shot.” Celebrities flaunted it, Instagram was full of before-after pictures, and doctors were prescribing it at record speed. At first, it worked. The kilos dropped, her appetite vanished, and people complimented her new look. But then, something terrifying happened. S