(Edited to say, I know my posts are long but sorry this is so non-concise. My brain's just not brief today.)
I think there should be a sugar levy on foods in the same way that there is for drinks. Says I who could just grab some cookies right now.
That's logical and there's a lot to be said in its favour.
That being said (yes, it's me, so there's a 'but') I think the manufacturers would just fill their products with more artificial sweeteners instead, not all of which are as healthy as we might like. Some of them also produce responses in the body similar to sugar, including unwanted ones.
In theory, marking products with what's in them was a good idea, but I loathe the way companies label products with ridiculous 'portions'. I like hummus and also, for quite a while, took to coleslaw and potato 'salad', sold in the same 'snacky things in little tubs' part of supermarkets.
I didn't count calories, but eventually I forced myself to look at the ingredients and at sugar content (yes, I'm also trying to stop myself eating cookies, and also trying to limit my sugar intake), and it really, really bugged me what they considered to be a 'portion'. If I buy a 100g tub of something like that, I'll eat a 100g tub. No way is that tub '3 portions'.
Then again (I should scroll back and see if I'm being repetitive but I'm struggling today, so you might need to scroll by), there are lots of other ingredients that are also problematic. I've mentioned sweeteners. Then we've had the ongoing pro/anti fat saga where we were told that fat was bad and carbs were good and now the reverse, but fat comes in lots of sorts and whilst I am generally more concerned about sugars than fats, some of what I read about some of the oils in our foods doesn't make me happy.
Something that really struck me a few years back was the appallingly bad balance between omega 3 and omega 6 essential fatty acids in my diet. I swotted up on it after I'd already been supplementing my omega 3 because of the clinical research evidence of its usefulness in bipolar disorder (I later researched the mechanisms by which it helps as well). But then I learnt how imbalanced a lot of our intake is. Not just how much oil/fat, but which.
So whilst I think it's good to reduce sugar intake, I think that making sugar less affordable wouldn't necessarily help as much as I'd like it to.
What I try to do, and seriously struggle with, is what I used to be much better at when younger, which is to use as a general principle (not a rigid one) when shopping, wherever possible to stick to buying things with only one ingredient.
You've just prompted stuff. I have three A4 sheets of pictures of foods with numbers for relative amount of carbs in them, which I keep in my kitchen. I keep telling myself to stick them on a wall. Putting them on the fridge door and cupboard doors didn't work. I could even be dotty and put them on the loo wall.
Sad thought - where I am, when cash donations to the local beggars went down in the early stages of the pandemic, quite a few started behaving very differently and a chat with an alcoholic beggar I know confirmed my suspicions. You see, he was savvy and begged shoppers donations of food instead of cash. Then he could use his benefits for booze. But quite a few of the local 'drunks' were reliant on their begged cash, especially if they'd lost their benefits, and had turned to cheaper substances on the black market. They weren't even using the
relatively harmless spice & mamba that was on the market before and used by some, they were using some pretty badly contaminated stuff and some pretty mis-labelled stuff. Word went round not to trust the alleged 'heroin' but it's still been a rough ride for lots of struggling people.
So I'm always twitchy when people are nudged into changing what they buy about what they'll buy instead.
Yesterday, I was desperate to go and buy chocolate cookies. I persuaded myself not to by eating other favourite food. At bedtime I realised to my bemusement that I'd managed to bake and eat four frozen battered fish portions from my freezer. Hmm. Dare I look at how much junk is in those next time I'm shopping? What happened to the days when I popped into the fishmongers, took a fresh fish home (whatever was fat and shiny and on offer), de-scaled it, gutted it, put some herbs or something in it, wrapped it in foil and baked it? It was probably cheaper than this battered stuff.