निम्नलिखित में से किस प्रमुख उपकरण का आविष्कार थॉमस अल्वा एडिसन ने किया था?

Consider the following statements regarding the early scientific research into obesity: A. The reductionist assumption that obesity results purely from conscious overeating often led to social stigma and victim-blaming. B. By the 1960s, a significant segment of obesity research had evolved into a subdiscipline of psychology and behavioral science. C. Early 20th-century obesity researchers universally believed that all cases of obesity were due to underlying medical conditions rather than lifestyle behavior. Which of the above statements is/are correct?

Consider the following statements regarding historical perspectives on obesity: A. The idea that obesity is primarily caused by overeating emerged significantly after the application of thermodynamic laws to human biology. B. Carl von Noorden, in the early 1900s, concluded that sustained overeating led to weight gain and obesity. C. Louis Newburgh argued that psychological factors played absolutely no role in the development of obesity. Which of the above statements is/are correct?