12 foods you should always buy organic - plus the ones you don't have to

WATCH: Health tips from Jennifer Lopez, Goldie Hawn and Jennifer Aniston While the majority of people are on board with the idea of environmentally-friendly products that minimise the chemicals we put in our bodies, our bank balance may disagree. Luckily, PAN UK has advised what we should and shouldn't be buying organic, naming their 'dirty dozen' and 'clean fifteen'. Keep scrolling to streamline your shopping list... These foods were found to have the highest levels of pesticide residues by PAN UK in tests between 2012 and 2017, and as a result, are the ones you should always try to buy organic where possible - and some of them may surprise you. Lemons and limes 4. Apricots Fruit and vegetables are not the only products to contain what is known as 'pesticide cocktails'. PAN UK explained pesticides appear in millions of different combinations in varying concentrations, and there is growing concern about the potential impact of the cocktail effect on human health and the environment. These starchy foods and grains were also found to havemultiple pesticide residues. Cereal bars PAN UK revealed you don't need to buy all organic produce These items were found to have the least amount of pesticide residues and therefore are generally okay to buy non-organic. Corn on the cob 3. Sweet potato 13. Pumpkin and squash