Credit: SWNS / Abi Feltham<br /><br />An ex-addict was diagnosed with a brain tumour after mistaking her brain fog for caffeine withdrawal.<br /><br />Abi Feltham, 36, has been sober for four years after dealing with alcohol and drug addiction since she was 14 years old.<br /><br />She started realising she was drinking a lot of caffeine in November 2023 - having up to 12 cups of coffee a day and reduced her intake.<br /><br />Abi started having headaches, nausea and brain fog but put it down to caffeine withdrawal.<br /><br />But when the symptoms started again and she struggled with double vision she went to see her doctor and an optician.
