You should (strategically) lie/exaggerate your symptoms to your GP if you want actual scans and proper investigations
Modern healthcare especially in strained systems like the NHS treats GPs as gatekeepers whose default setting is reassure and delay. You walk in under 50 with real but not emergency symptoms intermittent abdominal pain, bloating, fatigue, bowel changes, whatever and you get IBS, stress, go on a diet, come back if it gets worse. Honest, measured descriptions no bloods, no imaging, no referral.
Meanwhile, colorectal cancer rates in people under 50 have been climbing sharply for years. Same with ovarian cancer showing up earlier and more aggressively in younger women. Early symptoms overlap with benign" stuff, so without scans things get caught late. I've watched friends and family members dismissed for months/years until it escalated. Only when they started describing the impact louder.
The system isn't built for early detection in younger patients who shouldn't have these diseases. Guidelines prioritize cost control and reducing unnecessary scans over catching the rising exceptions. Polite honesty gets you triaged into the long grass. Learning to communicate severity in a way that triggers action without full fabrications is how people actually get checked before shit hits the fan.
I'm not saying fake seizures or claim you're coughing blood if you're not. But if your symptoms are legitimately affecting your life and worrying you, then exaggerate to your GP about the symptoms.
Doctors will hate this take. Patients who've been burned by delayed diagnoses won't. Fix the access problem and this hack wouldn't be necessary.
TL;DR: With colon and ovarian cancers rising in younger adults, don't let gatekeeping and "you're too young" bias screw you. Exaggerate the real impact strategically to get the scans that could save your life.