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Researchers found early exposure was linked to memory and academic outcomes

• A long-term study tracked children from infancy through age 10.5 to examine how screen time relates to learning and memory.

• Researchers found the strongest links between heavier screen use at age 1 and later academic performance.

• The findings suggest that when children are exposed to screens may matter as much as how much time they spend using them.

As screens have become part of everyday life, many parents have wondered how much screen time is too much.

A new study suggests that the timing of screen exposure may play an important role in childrens development. Researchers found that children who spent more time looking at screens during certain stages of early childhood, especially infancy and around the time they entered school, tended to have weaker academic performance and working memory years later.

The findings add to ongoing questions about how screens fit into healthy childhood development. Current recommendations from the World Health Organization and the American Academy of Pediatrics advise avoiding screen time before 18 to 24 months and limiting it to less than an hour a day for children ages 2 to 5.

The study

To explore the issue, researchers from Inserm and the National University of Singapore analyzed data from the Growing Up in Singapore Towards Healthy Outcomes (GUSTO) birth cohort. The study followed 502 children from infancy through middle childhood. Parents reported their childrens screen viewing time at six different ages between 1 and 8 years old.

Researchers later measured academic performance when the children were 9 years old and assessed working memory at age 10.5. Because previous research often relied on a single snapshot in time, the team wanted to examine whether different stages of childhood might represent particularly important periods for brain development.

The results

The results showed that greater screen exposure during infancy and around age 6 was consistently linked with poorer academic performance and weaker working memory later on.

The strongest associations appeared among children who spent more time viewing screens at age 1. Interestingly, screen use at ages 2 and 3 did not show the same pattern, but the associations resurfaced around school-entry age.

Researchers also found that children with higher screen exposure across childhood generally performed less well academically.

"The effect sizes we saw at age 1 were the largest among all time points we examined," the authors said. "That suggests early infancy may be a window of heightened sensitivity, when the developing brain is particularly vulnerable to the displacement of learning interactions by screen time.

We were also surprised to see that while screen use at age 2 and 3 did not show significant links, the associations re-emerged at age 6when children enter formal schooling. So it is not just about early years; screen use later in childhood still matters."

The authors say the findings suggest that early childhood may be a sensitive period for cognitive development and that screen habits established during those years could have lasting effects. They noted that future studies should examine factors beyond screen duration, including the type of content children are viewing, the devices they use and whether parents are watching alongside them.

Researchers analyzed more than 8,800 talc-containing cosmetics and found powder products especially eyeshadows and blushes carried the greatest potential risk.

• A new analysis of 8,810 talc-containing cosmetics found that powder products especially eyeshadows and blushes carried the highest potential risk for asbestos exposure.

• Researchers identified Beauty Plus Global, Claires and Justice as the brands with the highest average risk scores, and noted that all FDA-confirmed asbestos-positive cosmetics were powder-based.

• Experts say consumers shouldnt assume clean beauty labels mean products are asbestos-free, as most certification programs do not require asbestos testing or ban talc.

Millions of Americans reach for makeup products every day without giving much thought to whats inside them. But a new study from Mesothelioma.com suggests some talc-based cosmetics may carry a hidden risk: asbestos contamination.

After analyzing thousands of products and records from the U.S. Food and Drug Administration (FDA) researchers found that powder formulas were far more likely than creams or liquids to score high for potential exposure.

To better understand what the findings mean for consumers, ConsumerAffairs spoke with Melanie Radliff, senior content writer specializing in health and wellness at Mesothelioma.com, about why certain products may pose a greater risk and what shoppers should know.

Key findings

Heres a look at what the study revealed:

• The FDA tested 236 cosmetic products across 5 rounds, and 9 tested positive for asbestos. Before being recalled, they were sold at Walmart, Amazon, Claire's and Justice stores.

• There is no federal requirement to test makeup for asbestos. The FDA proposed a rule in 2024 but withdrew it less than a year later. The European Union (EU) requires testing, but the United States doesn't.

• 92% of powder-based products scored High or Critical risk across the 8,810 products analyzed. That includes 89% of blushes and 88% of eyeshadows.

• Based on average scores, powder makeup is 62% riskier than creams and 120% riskier than liquids.

• Most "clean beauty" labels don't include testing for asbestos. Only EWG Verified and MADE SAFE ban talc, but programs like Clean at Sephora and Leaping Bunny don't.

The risks of powder-based make-up

Radliff explained that the risks of powder-based make-up comes from two main factors: the talc mining process and the nature of powdered products.

Talc and asbestos often develop near one another on the earth, she said. When mined, talc may become contaminated. This means talc-based products could contain some asbestos.

Talcum powder products in particular pose asbestos exposure risks. These powders often create a cloud of dust, which people can easily inhale. If asbestos fibers embed themselves in the lining of some organs, like the lungs, this may later lead to cancer. Liquid and cream products are less likely to make asbestos fibers airborne.

Clean beauty products arent always clean

The study found that many beauty companies that tout clean products dont actually test for asbestos exposure. Instead, these companies focus on the presence of certain ingredients, manufacturing practices, or animal testing standards.

These programs often restrict or prohibit specific chemicals, but most don't address asbestos testing or bans, Radliff said. Our study evaluated five major product certification programs. We found that only two, EWG Verified and MADE SAFE, specifically prohibited talc. Other well-known programs, including Clean at Sephora and Leaping Bunny, did not.

One of the biggest takeaways from this research is that terms like 'clean don't always mean a product is talc-free or has been tested for asbestos. Many consumers assume these labels provide broader safety assurances than they actually do.

Updating product testing mandates

The findings highlight one potential gap in current product testing standards: there is no federal requirement for asbestos testing in talc-based cosmetics.

Many experts say that some changes could help reduce consumer use of contaminated products, Radliff explained. Possible steps may include mandatory asbestos testing, stronger standards for talc sourcing, and clearer recall enforcement. Together, these measures could improve transparency and strengthen consumer protections.

On top of that, Radliff recommends that shoppers understand what certifications do and do not cover, as this can help them make more informed decisions.

Until federal regulations adequately protect consumers, reading labels is an easy way to check for talc, she said.

Costco's Member Appreciation Days could beat Prime Day on value

• Costco's answer to Prime Day: Member Appreciation Days runs through June 26 with deals on electronics, furniture, travel, and household essentials.

• Look beyond the sale price: Costco often includes extras like extended warranties, delivery, travel perks, and cash back rewards.

• Buy what you'll use: The best values are often on everyday items like paper products, baby wipes, pet supplies, and other household staples.

While Amazon Prime Day, Walmart Deals, and Target Circle Week are grabbing most of the headlines this week, Costco is running its own sales event that could offer even better value on some big-ticket purchases.

Costco's Member Appreciation Days event runs through June 26 and includes discounts on everything from TVs and computers to furniture, mattresses, baby products, and travel packages.

The key difference? Costco often competes on value, not just price.

That means shoppers should look beyond the sale tag and pay attention to what's included.

Don't compare pricescompare the total package

One of the biggest mistakes shoppers make during major sales events is focusing exclusively on the sticker price.

For example, Costco is currently offering a Samsung 65-inch S90F OLED television for $1,199.99.

After a quick price check, I found the same TV for the same price at Best Buy and Amazon. But Costco includes an Allstate protection plan bundle that provides five years of total coverage. Not to mention 4% back in rewards when you use your Costco Anywhere Visa to buy the TV.

By factoring in the entire package that Costco offers, its often going to be the better deal.

The same strategy applies to laptops, appliances, mattresses, furniture, and fitness equipment.

Look for hidden savings on baby and household essentials

Not every good deal involves electronics. Some of Costco's strongest values this week are on products families buy repeatedly.

Examples include:

• Baby wipes

• Paper products

• Cleaning supplies

• Pantry staples

• Pet supplies

The Kirkland Signature baby wipes promotion is a good example. Through June 26th, you can get $4 manufacturer's savings, bringing your total for a box of 900 wipes down to only $19.99.

A small discount on the stuff your family buys regularly can add up to meaningful savings.

Pro tip: Focus on products you'll definitely use within the next six months. Buying necessities at a discount usually beats buying gadgets you weren't planning to purchase.

Check Costco before buying an air conditioner

Summer heat is driving demand for cooling products nationwide. Costco currently has significant discounts on portable air conditioners, including $110 off a Midea 12,000 BTU DUO Smart Inverter.

If you're shopping for cooling products this week, be sure to compare the following:

• Unit price

• Warranty coverage

• Delivery costs

Also, Costco's generous return policy and included benefits can make a higher-priced item a better overall value.

Don't overlook Costco Travel

Many members forget that Costco Travel often runs promotions during major sale periods.

Current offers include:

• Instant savings on resort stays

• Costco Shop Cards

• Resort credits

• Room upgrades

• Free nights

These perks can sometimes provide hundreds of dollars in additional value compared to booking directly.

Pro tip: Always compare the total package value, including credits and bonuses, rather than focusing solely on the room rate.

Pay special attention to Costco's furniture deals

Furniture is one category where Costco frequently outperforms competitors. This week's sale includes hundreds of dollars off sofas, sectionals, recliners, and patio furniture.

Large furniture purchases can be particularly difficult to compare because many retailers charge extra for delivery. Costco often includes delivery and setup services that would cost significantly more elsewhere.

Pro tip: Before purchasing furniture from another retailer, check delivery fees, assembly charges, and return policies. Those costs can quickly erase a lower advertised price.

The bottom line

Amazon, Walmart, and Target may be dominating the summer sales conversation, but Costco's Member Appreciation Days event deserves a closer look.

For shoppers buying electronics, furniture, appliances, travel, or household essentials, Costco's combination of discounts, warranties, delivery benefits, and member perks can sometimes produce a better overall value than a lower advertised price elsewhere.

This week, the smartest move isn't assuming one retailer has the best deal. It's comparing the complete package before you buy.

Its the latest evidence that nutrition plays a key role in healthy aging

By Mark Huffman of ConsumerAffairs

• A new study of more than 2,000 older adults found that higher blood levels of vitamin C were associated with healthier brain structure and stronger neural connectivity.

• Researchers linked vitamin C levels to the preservation of gray matter and the brain's default mode network, which plays a key role in memory and cognition.

• Scientists caution that the study shows an association, not proof that vitamin C prevents cognitive decline or dementia.

Theres new evidence to suggest that diet plays a key role in how people age. The latest study recommends a diet with plenty of vitamin C.

Researchers in Japan have found that older adults with higher levels of vitamin C in their blood tended to have healthier brain structures and stronger connectivity in regions associated with memory and cognitive function. The findings, published in the journal PLOS One, add to growing evidence that nutrition may play an important role in brain health as people age.

The study analyzed data from 2,044 adults aged 65 and older who participated in a community health project in Hirosaki City, Japan. Researchers measured vitamin C levels through blood samples and compared the results with MRI scans that assessed brain volume and neural connectivity.

Reduced gray matter volume

Participants with lower vitamin C levels were more likely to show reduced gray matter volume and weaker connectivity within the brain's default mode network, a collection of brain regions involved in memory, attention, and self-reflection. Changes in this network have previously been linked to cognitive decline and neurodegenerative diseases such as Alzheimer's.

"Our study demonstrates that older adults with higher blood levels of vitamin C tend to have better-preserved brain structure and stronger connections within the default mode network," lead researcher Tomohiro Shintaku of Hirosaki University said in discussing the findings.

One of the study's notable features is its use of direct blood measurements rather than estimates of dietary intake. Previous research has linked diets rich in vitamin C to better cognitive outcomes, but few studies have examined how actual blood concentrations relate to brain structure.

Researchers adjusted for a variety of factors that can influence brain health, including age, education, physical activity, and chronic health conditions. Even after accounting for those variables, the relationship between vitamin C levels and brain health remained significant.

Dont jump to conclusions

However, experts urge caution in interpreting the results.

Because the research was observational and measured vitamin C levels at only one point in time, it cannot establish a cause-and-effect relationship. It's possible that other factors, including overall diet quality, body weight, or socioeconomic conditions, contributed to the observed differences.

Our study demonstrates that older adults with higher blood levels of vitamin C tend to have better-preserved brain structure (gray matter) and stronger connections within the default mode network (DMN), a crucial brain network involved in memory and cognitive function, Tomohiro Shintaku, MD, PhD, assistant professor in the Department of Radiology Graduate School of Medicine at Hirosaki University, told Fox News Digital.

Vitamin C is a powerful antioxidant that helps protect cells from damage caused by oxidative stress, a process believed to contribute to aging and neurodegenerative disease. The vitamin is abundant in fruits and vegetables, including oranges, strawberries, kiwi, broccoli, and bell peppers.

The researchers say future studies will be needed to determine whether maintaining higher vitamin C levels can directly slow brain aging or reduce the risk of dementia. For now, the findings offer another reason to maintain a diet rich in fruits and vegetables as part of a broader strategy for healthy aging.