- COVID lockdowns accelerated brain aging in adolescent girls, showing 4.2 years of brain age acceleration compared to 1.4 years in males
- Children’s memories of lockdown became increasingly negative over time, with female adolescents reporting the lowest happiness levels and highest depressive symptoms
- Physical fitness declined significantly post-lockdown, with young women showing steeper drops in aerobic fitness (4.28 points) compared to men (2.25 points)
- Strict lockdowns led to vitamin D deficiency in 77.8% of pregnant women, increasing risks of pregnancy complications and adverse birth outcomes
- The pandemic’s disruption of normal development patterns has prompted calls for targeted interventions, especially for young women who showed greater vulnerability across measures
(Mercola)—COVID-19 lockdowns accelerated brain aging in adolescents, according to a recent study.1 The pandemic drastically changed daily routines, leaving many young people struggling with their mental and physical health. You might have noticed how isolation affected teens, especially girls, more than boys. Increased feelings of anxiety and depression became common as social interactions dwindled.2
As the lockdowns wore on, physical fitness levels among young adults began to decline sharply. Reduced opportunities for exercise and more time spent sedentary led to significant drops in both aerobic and anaerobic fitness.3 This decline isn’t just about physical health; it’s closely tied to mental well-being as well.
We’re only now beginning to see the many ways COVID-19 lockdowns impacted adolescent brain development and physical fitness; the full effects likely won’t be apparent for years or decades to come.
The Impact of Lockdowns on Adolescent Brain Development
Adolescence is a critical period for brain maturation, where emotional and social development take center stage. During this time, your brain undergoes significant changes, including synaptic pruning and myelination, which are essential for cognitive and emotional growth. However, the COVID-19 lockdowns disrupted these typical developmental trajectories, particularly in girls.4
Researchers used MRI scans to compare brain structures before and after the lockdowns, revealing that young girls experienced more rapid cortical thinning than boys did. Cortical thinning is a natural part of brain development during adolescence, where your brain’s outer layer, the cortex, becomes thinner as it matures.
This process is essential for improving cognitive functions like thinking, memory and emotional regulation. However, the study showed that the lockdowns caused this thinning to happen much faster than usual, especially in female adolescents. Girls experienced a mean brain age acceleration of 4.2 years compared to 1.4 years in boys.
The acceleration in brain maturation is linked to increased stress caused by the pandemic restrictions. Prolonged social isolation and the disruption of daily routines led to higher levels of stress hormones like cortisol. These hormones affect brain development, leading to the accelerated thinning observed in the study.
Moreover, the faster brain maturation in females is concerning because it’s associated with a higher risk of developing mental health issues such as anxiety and depression. The rapid changes in brain structure may interfere with the normal development of emotional and social skills, making adolescents more vulnerable to neuropsychiatric disorders.
The study highlights the critical need for ongoing support and monitoring of adolescents who experienced the lockdowns. Providing mental health resources and promoting healthy lifestyles may help mitigate the negative impacts of accelerated brain aging, but early intervention is essential to address the long-term consequences on young minds.
Autobiographical Memories Impact Mental Health in Lockdown
Another study found that as lockdowns continued, children’s memories of that time became less detailed and more negative over time. Initially, kids could recall specific events and feelings from the lockdown, but as months passed, their memories lost some of that detail and leaned more toward negative emotions.5
Psychological well-being among children and adolescents also took a hit during the lockdowns, with girls showing the most significant decline. While all young people experienced increased anxiety and depression, female adolescents were particularly hard-hit, reporting the lowest levels of happiness and the highest levels of depressive symptoms.6
The content of these memories played a crucial role in mental health outcomes. Memories that were filled with negative emotions and detailed factual information about COVID-19 and the restrictions predicted poorer psychological well-being over time. Not surprisingly, kids who focused more on the negative aspects and the hard facts about the pandemic struggled more with their mental health.7
Overall, the findings suggest that the way children and adolescents remember and narrate their experiences during challenging times significantly influences their mental health. Negative memory narratives lead to worse psychological outcomes, highlighting the need for supportive interventions that help young people process their experiences in healthier ways.8
Long-Term Impact of COVID-19 Lockdowns on Physical Fitness in Young Adults
COVID-19 lockdowns also had a significant long-term impact on the physical fitness of young adults.9 Researchers conducted a comprehensive analysis involving over 5,300 university freshmen, comparing their physical fitness levels before and after the pandemic lockdowns. Again, not surprisingly, the lockdowns led to notable declines in both aerobic and anaerobic fitness compared to previous years.
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The study showed that anaerobic fitness, which is essential for short bursts of intense activity like sprinting, decreased by an average of 0.84 points. More strikingly, aerobic fitness, crucial for sustained activities such as running or cycling, dropped by 2.25 points in males and a more substantial 4.28 points in females. This indicates that young adults became significantly less capable of performing endurance-based activities post-lockdown.
With gyms, parks and sports facilities closed, many young adults found themselves spending more time sitting or engaging in less physically demanding activities like video games or desk work.
Curiously, females experienced greater declines in aerobic fitness compared to their male counterparts. This gender disparity suggests that lockdown measures may have disproportionately affected girls in maintaining their cardiovascular endurance. Possible reasons include differences in how males and females engaged in physical activities during the lockdown or varying access to exercise resources and support systems.
The decline in physical fitness may lead to long-term health issues such as obesity, cardiovascular diseases and metabolic disorders. The study underscores the urgent need to promote physical activity among young adults, especially in the aftermath of lockdowns or similar restrictions. Encouraging regular exercise and reducing sedentary time are essential steps in preventing these negative health outcomes and ensuring that fitness levels recover post-pandemic.
Furthermore, the research highlights that addressing fitness declines is important for supporting the overall health of young adults. Promoting accessible and enjoyable forms of exercise may help mitigate the long-term consequences of the pandemic on youth fitness and well-being.
Lockdowns Led to Vitamin D Deficiency, Worse Birth Outcomes in Pregnant Women
In related news, a team of Spanish researchers looked into the effects of strict lockdown on the prevalence of vitamin D deficiency in pregnant women, noting, “In Spain, a strict lockdown (SL) was declared, with the population being confined at home, therefore influencing their exposition to sunlight.”10
For this study, vitamin D deficiency (VDD) was defined as a vitamin D level below 20 ng/mL, and vitamin D insufficiency as a level between 20 and 30 ng/mL. This is notable, since it represents an extremely low level of vitamin D. While sufficiency begins around 40 ng/mL (100 nmol/L in European measurements), the target range for optimal health is 60 to 80 ng/mL (150 to 200 nmol/L).
If higher levels were used to define vitamin D deficiency in the study, even more women would have been deemed deficient. Still, even using 20 ng/mL as the deficiency cutoff, 55.5% of pregnant women in the region were vitamin D deficient. Among those on strict lockdown (SL), the prevalence was 77.8%.11
While the study stopped short of examining the pregnancy outcomes of lockdown-driven vitamin D deficiency, past research has linked VDD with adverse effects in pregnancy, including pre-eclampsia, gestational diabetes, preterm birth and caesarean delivery.12
COVID-19 lockdown was also associated with an increased risk of gestational diabetes, with risk increasing the longer the lockdown continued,13 as well as an increased risk of preterm birth.14
Other studies also suggest that lockdowns negatively affected pregnant women in other ways. For example, in a study comparing women who experienced a Level I lockdown in China during the pandemic with women who did not, the lockdown group had shorter gestational length and a higher risk of preterm birth.15
Brain Development and Fitness Are Suffering After Pandemic Lockdowns
To conclude, the COVID-19 pandemic had a profound impact on adolescent brain development and physical fitness, particularly in young girls. These effects, coupled with increased stress and prolonged social isolation, have heightened the risk of mental health challenges, including anxiety and depression.
Physical fitness has also taken a significant hit, with both aerobic and anaerobic capacities declining, especially among young women. The shift toward sedentary lifestyles and reduced opportunities for physical activity has had lasting effects on health and well-being, with implications for long-term health outcomes.
To mitigate these impacts, it’s essential to promote regular physical activity, provide mental health support and encourage healthy lifestyle habits. By understanding the unique challenges faced by adolescents during the pandemic, we can develop targeted interventions to support their recovery and ensure a healthier future for our youth.
Early intervention, consistent support and fostering resilience are crucial steps toward helping adolescents navigate these challenging times and safeguarding their mental and physical health.
- 1, 4 PNAS September 9, 2024, 121(38)
- 2, 5, 6, 7, 8 Child Development August 14, 2024
- 3, 9 Scientific Reports September 18, 2023, volume 13, Article number: 15430 (2023)
- 10 Nutrients 2023, 15(8), 1972
- 11 Nutrients 2023, 15(8), 1972, Discussion
- 12 Nutrients 2023, 15(8), 1972, Introduction
- 13 Front Endocrinol (Lausanne). 2022; 13: 824245
- 14 Front Med (Lausanne). 2021; 8: 705943
- 15 BMC Pregnancy Childbirth. 2021; 21: 795
Five Things New “Preppers” Forget When Getting Ready for Bad Times Ahead
The preparedness community is growing faster than it has in decades. Even during peak times such as Y2K, the economic downturn of 2008, and Covid, the vast majority of Americans made sure they had plenty of toilet paper but didn’t really stockpile anything else.
Things have changed. There’s a growing anxiety in this presidential election year that has prompted more Americans to get prepared for crazy events in the future. Some of it is being driven by fearmongers, but there are valid concerns with the economy, food supply, pharmaceuticals, the energy grid, and mass rioting that have pushed average Americans into “prepper” mode.
There are degrees of preparedness. One does not have to be a full-blown “doomsday prepper” living off-grid in a secure Montana bunker in order to be ahead of the curve. In many ways, preparedness isn’t about being able to perfectly handle every conceivable situation. It’s about being less dependent on government for as long as possible. Those who have proper “preps” will not be waiting for FEMA to distribute emergency supplies to the desperate masses.
Below are five things people new to preparedness (and sometimes even those with experience) often forget as they get ready. All five are common sense notions that do not rely on doomsday in order to be useful. It may be nice to own a tank during the apocalypse but there’s not much you can do with it until things get really crazy. The recommendations below can have places in the lives of average Americans whether doomsday comes or not.
Note: The information provided by this publication or any related communications is for informational purposes only and should not be considered as financial advice. We do not provide personalized investment, financial, or legal advice.
Secured Wealth
Whether in the bank or held in a retirement account, most Americans feel that their life’s savings is relatively secure. At least they did until the last couple of years when de-banking, geopolitical turmoil, and the threat of Central Bank Digital Currencies reared their ugly heads.
It behooves Americans to diversify their holdings. If there’s a triggering event or series of events that cripple the financial systems or devalue the U.S. Dollar, wealth can evaporate quickly. To hedge against potential turmoil, many Americans are looking in two directions: Crypto and physical precious metals.
There are huge advantages to cryptocurrencies, but there are also inherent risks because “virtual” money can become challenging to spend. Add in the push by central banks and governments to regulate or even replace cryptocurrencies with their own versions they control and the risks amplify. There’s nothing wrong with cryptocurrencies today but things can change rapidly.
As for physical precious metals, many Americans pay cash to keep plenty on hand in their safe. Rolling over or transferring retirement accounts into self-directed IRAs is also a popular option, but there are caveats. It can often take weeks or even months to get the gold and silver shipped if the owner chooses to close their account. This is why Genesis Gold Group stands out. Their relationship with the depositories allows for rapid closure and shipping, often in less than 10 days from the time the account holder makes their move. This can come in handy if things appear to be heading south.
Lots of Potable Water
One of the biggest shocks that hit new preppers is understanding how much potable water they need in order to survive. Experts claim one gallon of water per person per day is necessary. Even the most conservative estimates put it at over half-a-gallon. That means that for a family of four, they’ll need around 120 gallons of water to survive for a month if the taps turn off and the stores empty out.
Being near a fresh water source, whether it’s a river, lake, or well, is a best practice among experienced preppers. It’s necessary to have a water filter as well, even if the taps are still working. Many refuse to drink tap water even when there is no emergency. Berkey was our previous favorite but they’re under attack from regulators so the Alexapure systems are solid replacements.
For those in the city or away from fresh water sources, storage is the best option. This can be challenging because proper water storage containers take up a lot of room and are difficult to move if the need arises. For “bug in” situations, having a larger container that stores hundreds or even thousands of gallons is better than stacking 1-5 gallon containers. Unfortunately, they won’t be easily transportable and they can cost a lot to install.
Water is critical. If chaos erupts and water infrastructure is compromised, having a large backup supply can be lifesaving.
Pharmaceuticals and Medical Supplies
There are multiple threats specific to the medical supply chain. With Chinese and Indian imports accounting for over 90% of pharmaceutical ingredients in the United States, deteriorating relations could make it impossible to get the medicines and antibiotics many of us need.
Stocking up many prescription medications can be hard. Doctors generally do not like to prescribe large batches of drugs even if they are shelf-stable for extended periods of time. It is a best practice to ask your doctor if they can prescribe a larger amount. Today, some are sympathetic to concerns about pharmacies running out or becoming inaccessible. Tell them your concerns. It’s worth a shot. The worst they can do is say no.
If your doctor is unwilling to help you stock up on medicines, then Jase Medical is a good alternative. Through telehealth, they can prescribe daily meds or antibiotics that are shipped to your door. As proponents of medical freedom, they empathize with those who want to have enough medical supplies on hand in case things go wrong.
Energy Sources
The vast majority of Americans are locked into the grid. This has proven to be a massive liability when the grid goes down. Unfortunately, there are no inexpensive remedies.
Those living off-grid had to either spend a lot of money or effort (or both) to get their alternative energy sources like solar set up. For those who do not want to go so far, it’s still a best practice to have backup power sources. Diesel generators and portable solar panels are the two most popular, and while they’re not inexpensive they are not out of reach of most Americans who are concerned about being without power for extended periods of time.
Natural gas is another necessity for many, but that’s far more challenging to replace. Having alternatives for heating and cooking that can be powered if gas and electric grids go down is important. Have a backup for items that require power such as manual can openers. If you’re stuck eating canned foods for a while and all you have is an electric opener, you’ll have problems.
Don’t Forget the Protein
When most think about “prepping,” they think about their food supply. More Americans are turning to gardening and homesteading as ways to produce their own food. Others are working with local farmers and ranchers to purchase directly from the sources. This is a good idea whether doomsday comes or not, but it’s particularly important if the food supply chain is broken.
Most grocery stores have about one to two weeks worth of food, as do most American households. Grocers rely heavily on truckers to receive their ongoing shipments. In a crisis, the current process can fail. It behooves Americans for multiple reasons to localize their food purchases as much as possible.
Long-term storage is another popular option. Canned foods, MREs, and freeze dried meals are selling out quickly even as prices rise. But one component that is conspicuously absent in shelf-stable food is high-quality protein. Most survival food companies offer low quality “protein buckets” or cans of meat, but they are often barely edible.
Prepper All-Naturals offers premium cuts of steak that have been cooked sous vide and freeze dried to give them a 25-year shelf life. They offer Ribeye, NY Strip, and Tenderloin among others.
Having buckets of beans and rice is a good start, but keeping a solid supply of high-quality protein isn’t just healthier. It can help a family maintain normalcy through crises.
Prepare Without Fear
With all the challenges we face as Americans today, it can be emotionally draining. Citizens are scared and there’s nothing irrational about their concerns. Being prepared and making lifestyle changes to secure necessities can go a long way toward overcoming the fears that plague us. We should hope and pray for the best but prepare for the worst. And if the worst does come, then knowing we did what we could to be ready for it will help us face those challenges with confidence.
