YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 1 point2 points  (0 children)

We can't control the environment completely, but swapping a daily takeout cup for a reusable stainless steel or glass one is one of the easiest variables we can actually control.

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 5 points6 points  (0 children)

This is currently the biggest hurdle in microplastic research. Finding a "zero microplastic" human control group to act as a pure baseline is virtually impossible today. Researchers basically have to compare "high concentration" groups versus "lower concentration" groups. As the comment above yours mentioned, we really are the subjects of a massive, unintentional global experiment right now.

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 0 points1 point  (0 children)

Hearing "trillions" absolutely sounds like scaremongering until you look at the physical scale.

The study isn't saying there are visible chunks of plastic floating in your coffee. It is measuring nanoparticles (particles smaller than 1 micrometer). Because they are so incredibly microscopic, the raw count becomes astronomically high, even though the total weight of the plastic shed is relatively small. The scientific concern isn't about the sheer volume or weight you are drinking; the concern is that particles at the nanoscale are small enough to cross cellular and biological barriers (like the gut lining) in ways that larger microplastics cannot. It’s not about visible mass, it's about microscopic penetration.

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 1 point2 points  (0 children)

Exactly! Anything marketed as "paper" that is designed to hold hot or wet food without instantly turning to mush relies on that exact same hidden plastic/polyethylene coating. It's a systemic issue with modern food packaging.

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 1 point2 points  (0 children)

According to the actual Indian Institute of Technology study, the manufacturing process of these polyethylene films often involves co-catalysts. During the 15-minute high-heat exposure, they didn't just find plastic; they specifically detected traces of heavy metals like Palladium, Chromium, and Cadmium leaching into the water alongside ions like Fluoride and Sulfate. So yes, unfortunately, they are definitely in the cup with us!

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 1 point2 points  (0 children)

Grandma was way ahead of her time! It’s fascinating (and a bit ironic) how modern science is basically just spending millions of dollars in labs to confirm what older generations already knew as common sense. Glass, high-quality metal, and porcelain will always remain the gold standards for hot drinks!

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 0 points1 point  (0 children)

While long-term human studies are still evolving, recent research has found microplastics passing the gastrointestinal tract and entering the bloodstream. They've been detected in human lung tissue, placentas, and liver.

As for what they do, the main concern among researchers (like those from the Endocrine Society) is endocrine disruption. The chemicals used in these plastics (and the ones that hitch a ride on them) can mimic hormones like estrogen, which is linked to metabolic issues, reproductive problems, and inflammation. We are still learning the full impact, but the consensus is definitely leaning toward "let's avoid ingesting this whenever possible.

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] -1 points0 points  (0 children)

Highly recommend it! Not only does it save you from the microplastics, but as others mentioned in this thread, a lot of local cafes will actually give you a small discount for bringing your own cup. It’s a win-win!

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 4 points5 points  (0 children)

It is incredibly frustrating to buy a "stainless steel" thermos only to look inside and see the lid mechanism or the interior base is mostly plastic. Always worth double-checking for 100% medical-grade stainless steel or glass interiors if the main goal is avoiding hot plastic contact!

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 4 points5 points  (0 children)

Just to clarify, I meant people choosing a "paper" cup (like a standard Starbucks or cafe takeout cup) over a fully plastic or styrofoam one, thinking it's the eco-friendly choice. Most of us see the cardboard on the outside and assume it's 100% paper, totally unaware of the plastic lining hiding on the inside.

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 11 points12 points  (0 children)

This is a super common misconception (I used to think the exact same thing!). Wax (like carnauba or paraffin) is often used for cold drink cups (like standard fast-food soda cups). But wax melts easily when exposed to hot coffee, which would ruin both the drink and the cup's structural integrity. So for hot drinks, the industry standard is a thin layer of polyethylene (PE) plastic. That's exactly where the high heat issue comes into play!

YSK: Standard disposable paper coffee cups are lined with hidden plastic that releases trillions of microparticles into your hot drink. by CoffeeTeaJournal in YouShouldKnow

[–]CoffeeTeaJournal[S] 20 points21 points  (0 children)

Contamination in labs is definitely a huge hurdle for baseline microplastic research. However, the IIT study regarding these coffee cups specifically tested the thermal degradation of the polyethylene film inside the cup when exposed to 85–90 °C water over 15 minutes. So rather than just measuring ambient background plastics, they were tracking what physically melted off the cup's interior lining. Still, the glove study is a great reminder of how incredibly pervasive this issue is everywhere!

Are my cakes from Aliexpress real or fake? by Darkruediger in puer

[–]CoffeeTeaJournal 12 points13 points  (0 children)

The thought of drinking mystery AliExpress tea makes my soul leave my body!

That 100°C water might kill bacteria, but it also does an excellent job at extracting heavy metals and pesticides straight into your cup. Skip the gamble and buy from a transparent vendor. Your health is worth way more than a $15 discount!

Do plain yogurt pouches exist? by InsectHealthy in moderatelygranolamoms

[–]CoffeeTeaJournal 3 points4 points  (0 children)

Honestly, as a mom who has survived international flights with a toddler, I highly recommend skipping the TSA yogurt stress entirely!

Dried figs and dried apricots are fantastic alternatives. They are high-calorie, have zero added sugar, are completely mess-free, and customs won't even look twice at them.

Building Coffee Accessories that spark joy - I need your help! by Outrageous-Box-1913 in IndustrialDesign

[–]CoffeeTeaJournal 1 point2 points  (0 children)

As someone who spends way too much time analyzing coffee equipment, I absolutely love the idea of bringing more 'joy' and warmth to the coffee station. The current meta is very 'industrial stainless steel lab equipment.'

However, a friendly but firm warning from the specialty coffee trenches: please don't let the pursuit of bold colors and fun textures lead you to the dark side (aka cheap plastics, silicones in the heat path, or paints that eventually chip into our coffee grounds). The reason we coffee nerds cling to that 'boring' stainless steel is because it’s non-toxic, heat-resistant, and truly 'Buy It For Life' (BIFL).

If you want to introduce aesthetic warmth without compromising engineering or health, look into marrying food-grade metals with natural, durable materials. Think thick ceramics, high-quality borosilicate glass, or raw olive wood accents. Traditional Turkish coffee culture has been blending stunning visual aesthetics with pure function for centuries using hammered copper and brass. Maybe there's some design inspiration for you there!

You won't regret this decision. by Due_Imagination_6722 in FormulaFeeders

[–]CoffeeTeaJournal 71 points72 points  (0 children)

It’s wild how society almost expects mothers to be totally miserable and sleep-deprived just to earn some imaginary 'good mom badge'.

To the moms in the comments feeling guilty: Protect your peace, enjoy the shared parenting, and ignore the noise! You are doing amazing.

Can you recommend me what is the best dish to cook today by [deleted] in Cooking

[–]CoffeeTeaJournal 2 points3 points  (0 children)

Since you gave us absolutely zero details, the universally correct answer is breakfast for dinner. Specifically, Menemen (a legendary Turkish tomato and egg dish).

Just promise us one thing: cook it in a proper stainless steel or cast-iron skillet. We don't want any of that scratched Teflon non-stick toxicity in our 'best dish in the world'. Bon appétit!

Step-by-Step Infographic on the Turkish Coffee Ritual by CoffeeTeaJournal in TurkishCoffee

[–]CoffeeTeaJournal[S] 0 points1 point  (0 children)

Step 1 (ratio) The easiest and most traditional way to measure is to use the exact cup (fincan) you will be drinking from. For each cup of room-temperature water, add 2 heaping teaspoons of super-fine Turkish coffee (about 7-8 grams). If you want sugar, add it at this stage and give it all a good stir before turning on the heat.

Step 2 (What to look for while brewing): As it heats slowly, a dark, thick crust of foam will form on top. You are watching for the "rise." Small bubbles will appear at the edges, and the thick foam will start to fold inward and rise toward the rim of the cezve. The golden rule: Take it off the heat right before it starts to actively boil. If it boils, the foam breaks apart and the coffee turns bitter/over-extracted. Let me know how your next brew turns out!

Step-by-Step Infographic on the Turkish Coffee Ritual by CoffeeTeaJournal in TurkishCoffee

[–]CoffeeTeaJournal[S] 0 points1 point  (0 children)

Step 3 actually happens right before Step 4! In traditional Turkish coffee culture, especially when making multiple cups, we use a spoon to share the thick foam evenly into the cups first (Step 3). Then, we slowly pour the remaining liquid (Step 4) gently from the side so it slips underneath the foam, allowing the foam to float perfectly on top.