Case study 2 has reported severe bloating daily, intolerances to gluten (not related to celiac disease according to tests), and sensitivity to lactose, garlic, and onion. They had regular fatigue and skin issues that accompanied their gut issues for most of their young adult life.
Case study 13 experienced significant bloating, disrupted sleep, and low energy levels, significantly affecting their quality of life. They had low/no sex drive. Additionally, they had a long list of trigger foods that they could not consume. This impacted their social life and mental health.