When we are in need of certain information, the first thing we turn to is the Internet. Unlike many years ago when people went straight to the library to seek knowledge, now that knowledge is just a click away.
Among the countless websites, there are those that deal with threads where people ask questions, and honestly, nettizens never disappoint.
Recently, someone posted a question eager to learn why their underwear appears to have bleach stains on it sometimes. Well, it turned out that many ladies wanted to know the answer to the question, realizing they are not alone and that many others have experienced this “issue.”

As always, many were quick to provide answers. It turned out that it is the vagina’s natural pH levels that really produce these “bleach” spots.
According to experts, this isn’t a reason for concern. On the contrary, it is an indicator that your pH levels, which indicate how acidic or alkaline a liquid or a substance is, are normal.
“Now that everyone is aware, it’s completely normal to discover lighter patches in a woman’s underwear or knickers due to the acidic nature of the vagina, with a pH range of 3.8-4.5. So, I suppose it’s time to abandon the notion of it being a result of poor hygiene. In fact, a healthy vagina is one that can bleach the fabric,” Dr. Vanessa MacKay of the Royal College of Obstetricians and Gynecologists stated.
She explained that the vagina has a natural secretory system that allows it to clean itself. It is protected by the good bacteria that it contains.
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The National Institutes of Health states that the pH of the vagina typically fluctuates from 3.8 to 5.0, which means that it is rather acidic compared to the normally neutral pH level of 7.
“Disturbing the natural balance can lead to infections, but it’s perfectly normal and healthy for women to have clear or white discharge from their vagina,” Dr. MacKay added.
If you were among those wondering what is the reason behind these stains now you can rest at ease.
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What those numbers on fruit stickers really mean
When it comes to groceries, we usually pay attention to the brand and the expiry date, but when it comes to fruits and vegetables most of us pick the ripe ones that look appealing to the eye. The truth is that fruits and vegetables are also labeled, but not many pay attention to those numbers mostly because they don’t even know what they stand for.
Numbers on fruit stickers like 9
Numbers on fruits serve more than the single purpose of identify how much the item should ring up. In fact, they provide valuable information about the product. If you notice fruit stickers starting with the numbers 9, out of five digits, it indicates that the fruit has been grown organically.

Number 8
If the five-digit number the fruit is labeled with starts with the number 8, it means the product has been genetically modified. GMO foods are controversial as many believe they cause and trigger allergies. This technology is often used in agriculture to enhance the resistance of crops to pests and diseases, improve tolerance to herbicides, or increase nutritional content.
Currently, researchers still investigate the long-term effects, if any, on humans. Some of the most notable GMO fruits are papayas, apples, plums, strawberries, and grapes, among the rest.

4-digit code
A 4-digit code starting with either number 3 or 4 signifies the food isn’t organically grown. Instead, it has likely been “conventionally grown.” The meaning of conventionally grown food refers to the way they are fertilized. While organic produce uses organic matter like compost and is mechanically or biologically treated for weeds, conventional methods use synthetic fertilizers and pesticides.

The debate about the environmental impacts and possible future health complications involving conventional food-growth methods is ongoing.
Dr. Tamika D. Sims, the senior director of food technology communications in Atlanta Georgia, says both organic and synthetic fertilizers have been “federally regulated.”

According to him, people shouldn’t worry about the numbers on fruits and vegetables they consume but rather focus on reaching a well-balanced diet with a variety of foods needed for good health.
When it comes to picking the right fruits and vegetables, the number of digits also matters. A 4 or 5-digit number indicates where and how the food was grown, in addition to the size and type of food purchased, but when the product is labeled with a sticker consisting of more than five digits, it means it’s not included in the “internationally standardized system.”

For most, going grocery shopping is a dull task they tend to complete as swiftly as possible.
However, knowing that the food we consume is crucial for our survival and maintaining our health and fitness, we should all pay more attention when choosing the food we purchase. The International Federation for Produce Standards is dedicated to “improving supply chain efficiency” which involves, among other responsibilities, ensuring the provision of high-quality ingredients and “establishing and unifying international standards.”

This system was first implemented during the 90’s, when stickers on fruits and vegetables were added. Categorizing these items with numerical codes was to guarantee high quality. The IFPS has issued more than 1,400 such codes. However, since the system is optional, not all fruits and vegetables in stores have been inspected or approved by the IFPS or meet global standards.
Those people who care of the choice of food they consume can find the knowledge behind the meaning of numbers on fruits and vegetables useful. This knowledge can also expedite the self-checkout process by simply entering the PLU code instead of searching for the item by name. The PLU code system is an excellent method to track the delicious and nutritious foods that travel worldwide.
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