Man, 31, Mistakes Workout Pain for Injury—Heartbreaking Diagnosis Revealed It’s Something Much More Serious

Sean Sweeney, 31, thought he had simply injured himself while weight training—until his symptoms revealed a far more serious truth: brain cancer.

The South Yorkshire man began experiencing persistent headaches, neck pain, and tingling down his right side months earlier. Thinking it was a workout injury, he booked several physiotherapy appointments—but was discharged after they couldn’t find the cause. “I felt frustrated and unsettled, thinking, ‘I don’t feel right,’ but not being able to explain why,” Sweeney recalled. Concentration was becoming difficult, and his symptoms only worsened.

In July 2022, a sudden seizure in the early hours changed everything. Woken by his partner of 12 years, Lucy, Sweeney was rushed to Doncaster Royal Infirmary. A CT scan revealed a lesion on his brain. “I felt completely numb. I didn’t cry or panic—my mind went straight to Lucy and my family,” he said.

Initially, doctors suspected a low-grade tumor, and Sweeney and Lucy married before his surgery. But after a grueling nine-hour craniotomy in November 2022, the couple learned the tumor was a grade 3 astrocytoma, a more aggressive form of brain cancer. He was also given a 10-year life expectancy. During surgery, Sweeney suffered an acute stroke. “Because I was awake, I remember the moment things changed. I could hear the psychologist telling the surgeon that my speech was becoming slurred,” he said. “The next day, physiotherapists noticed issues with my walking, and one side of my face had dropped.”

Despite the frightening ordeal, rehabilitation helped him recover fully. “Today, you wouldn’t know I’d had a stroke at all,” Sweeney said. He began five weeks of radiotherapy in January 2023, followed by 12 rounds of chemotherapy, which he completed in February 2024.

“Telling my mum, Kathleen, was incredibly difficult,” he said. “She initially believed surgery meant I was cured, and it took many hard conversations for her to understand there is no cure for my tumor.”

Now, two years on, Sweeney is focused on rebuilding his life. Back at work, cycling, and fundraising for Brain Tumour Research, he shares his story to inspire hope and support research into aggressive brain tumors. “If there’s one message I’d share with anyone facing a similar diagnosis, it’s this: stay positive and try not to dwell on what’s out of your control. It’s not easy, but a positive mindset can help you keep moving forward,” he said.