Yes, "Dallas Buyers Club" is based on a true story. It follows Ron Woodroof, a Texas electrician diagnosed with AIDS in the 1980s, who battles the medical establishment and pharmaceutical companies to secure treatment for himself and others. Woodroof starts the Dallas Buyers Club, providing access to unapproved medications and treatments for those with HIV/AIDS. The film highlights issues of healthcare, stigma, and the fight for patient rights, reflecting the real struggles faced by many during the AIDS crisis.

Matthew McConaughey lost weight for his role in "Dallas Buyers Club" through a combination of a strict diet and intense physical training. He followed a caloric deficit diet, consuming around 1,500 calories a day, which included mostly vegetables, lean proteins, and no sugar or alcohol. Additionally, he engaged in regular exercise, including cardio and strength training, to help shed the pounds while maintaining muscle tone. His commitment to the role earned him critical acclaim and an Academy Award for Best Actor.

"Dallas Buyers Club" won three Oscars at the 86th Academy Awards. The film received Academy Awards for Best Actor (Matthew McConaughey), Best Supporting Actor (Jared Leto), and Best Makeup and Hairstyling. It was recognized for its powerful performances and impactful storytelling surrounding the AIDS crisis in the 1980s.

In "Dallas Buyers Club," Ron Woodroof survives longer than expected after being diagnosed with AIDS by seeking alternative treatments not approved by the FDA. He finds and distributes unregulated medications, like AZT and other drugs, to himself and others through a buyers club model, which allows members to access these treatments. His determination, resourcefulness, and willingness to challenge the medical establishment contribute to his extended life, despite the limitations and stigma he faces as a person with AIDS in the 1980s.