The second leading cause of preventable cancers is obesity. Especially bowel cancer which is quite possibly one of the most horrible ways to die there is. Agonising pain and puking up shit. It's not even that quick either and even if it's beaten the aftermath of treatment could be having to permanently shit in a bag stuck to your abdomen with a bit of colon sewed to the outside of you.
And then with regards to diabetes, the chances of devoloping it are greatly increased but do you know what the reality of having diabetes can mean? It's not just having to monitor your blood sugar and watch your carb intake. It can be going completely blind, it can be loosing all of the sensation in your fingers and toes. Oozing ulcers on your legs and feet that smell horrendous and sometimes never heal. Multiple hospital admissions for IV antibiotics to treat the recurrent infections in those lesions. Not being able to shower for weeks or months at a time because of the dressings. Toes literally turning black and falling off (has happened while I have been changing a patients dressings). It can mean amputation of toes, feet, even whole legs.
With stroke, the chances of this happening are also increased with obesity. But people hear stroke and think 'oh yes, bad' without knowing the reality of what life post stroke can be.
For some lucky people it might be a bit of one sided weakness and maybe a bit of speech therapy.
For one woman I used to look after it was being of complety sound mind but unable to move. Muscles contracted into such a twisted position she had to have a custom wheelchair moulded to her specfifc body shape. It was unavoidable sores on her pressure areas - her back, her heels, her bum, because the shape she was in meant there was no way to give her complete relief. She was doubly incontinent, had to have every single thing that passed her lips the consistency of thick yoghurt whether that was a roast dinner or cold water on a hot day, or her cup of tea in the morning.
She couldn't tell us if she was hot, cold, in pain, hungry or thirsty because she couldn't speak or move, but she could make facial expressions so we knew she was in there somewhere.
I know these are all quite dramatic and gruesome sounding but they are also all real life examples I have witnessed.