Child Development News

December 21, 2025

Top Headlines

Young Adults Are Using Cannabis to Sleep at Alarming Rates

Dec. 18, 2025 More than 20% of young adults say they use cannabis or alcohol to fall asleep, with cannabis leading by a wide margin. Researchers warn this strategy can backfire, disrupting sleep quality and increasing the risk of long-term sleep and substance-use ...

Scientists Rewired Down Syndrome Brain Circuits by Restoring a Missing Molecule

Dec. 17, 2025 A missing brain molecule may be disrupting neural wiring in Down syndrome, according to new research. Replacing it in adult mice rewired brain circuits and improved brain flexibility, challenging the ...

The Brain Switch That Could Rewrite How We Treat Mental Illness

Dec. 13, 2025 Scientists exploring how the brain responds to stress discovered molecular changes that can influence behavior long after an experience ends. They also identified natural resilience systems that help protect certain individuals from harm. These ...

Scientists Reveal a Tiny Brain Chip That Streams Thoughts in Real Time

Dec. 9, 2025 BISC is an ultra-thin neural implant that creates a high-bandwidth wireless link between the brain and computers. Its tiny single-chip design packs tens of thousands of electrodes and supports advanced AI models for decoding movement, perception, ...

Her Food Cravings Vanished on Mounjaro Then Roared Back

Dec. 8, 2025 Deep-brain recordings showed that Mounjaro and Zepbound briefly shut down the craving circuits linked to food noise in a patient with severe obesity. Her obsessive thoughts about food disappeared as the medication quieted the nucleus accumbens, the ...

This Tiny Implant Sends Secret Messages to the Brain

Dec. 8, 2025 Researchers have built a fully implantable device that sends light-based messages directly to the brain. Mice learned to interpret these artificial patterns as meaningful signals, even without touch, sight, or sound. The system uses up to 64 ...

Scientists Find Hidden Layers in Brain’s Memory Center

Dec. 6, 2025 Scientists uncovered a surprising four-layer structure hidden inside the hippocampal CA1 region, one of the brain’s major centers for memory, navigation, and emotion. Using advanced RNA imaging techniques, the team mapped more than 330,000 genetic ...

Scientists Find Hidden Brain Nutrient Drop That May Fuel Anxiety

Dec. 4, 2025 Researchers found that people with anxiety disorders consistently show lower choline levels in key brain regions that regulate thinking and emotions. This biochemical difference may help explain why the brain reacts more intensely to stress in ...

Scientists Uncover the Brain’s Hidden Learning Blocks

Nov. 28, 2025 Princeton researchers found that the brain excels at learning because it reuses modular “cognitive blocks” across many tasks. Monkeys switching between visual categorization challenges revealed that the prefrontal cortex assembles these blocks ...

Study Finds Untreated Sleep Apnea Doubles Parkinson’s Risk

Nov. 27, 2025 A massive veteran study found a strong connection between untreated sleep apnea and a higher chance of Parkinson’s. CPAP users had much lower odds of developing the condition. Researchers believe that repeated dips in oxygen during sleep may ...

A Tiny Enzyme May Hold the Key to Safer Pain Relief

Nov. 23, 2025 Researchers have uncovered a surprising way the brain switches pain on, revealing that neurons can release an enzyme outside the cell that activates pain signals without disrupting normal movement or sensation. This enzyme, called VLK, modifies ...

Scientists Reveal a Hidden Hormone Switch for Learning

Nov. 21, 2025 Researchers uncovered how estrogen subtly reshapes learning by strengthening dopamine reward signals in the brain. Rats learned faster when estrogen levels were high and struggled when the hormone’s activity was blocked. The findings help explain ...

Latest Headlines

updated 11:21am EST

Why Consciousness Exists at All

Dec. 15, 2025 Consciousness evolved in stages, starting with basic survival responses like pain and alarm, then expanding into focused awareness and self-reflection. These layers help organisms avoid danger, learn ...

These Simple Habits Could Make Your Brain 8 Years Younger, Study Finds

Dec. 15, 2025 New research shows that your brain’s “true age” can shift dramatically depending on how you live, with optimism, restorative sleep, stress management, and strong social support acting like ...

New Research Reveals How Everyday Cues Secretly Shape Your Habits

Dec. 10, 2025 Researchers uncovered how shifting levels of a brain protein called KCC2 can reshape the way cues become linked with rewards, sometimes making habits form more quickly or more powerfully than ...

Human Brains Light Up for Chimp Voices in a Way No One Expected

Dec. 10, 2025 Humans don’t just recognize each other’s voices—our brains also light up for the calls of chimpanzees, hinting at ancient communication roots shared with our closest primate relatives. ...

Scientists Reveal Five Big Moments When Your Brain Dramatically Changes

Dec. 1, 2025 A large study of brain scans shows that our neural wiring evolves through five major stages from birth to late old age. These phases are separated by sudden turning points that mark big shifts in how ...

How Personalized Algorithms Trick Your Brain Into Wrong Answers

Nov. 25, 2025 Personalized algorithms may quietly sabotage how people learn, nudging them into narrow tunnels of information even when they start with zero prior knowledge. In the study, participants using ...

What Brain Scans Reveal About Soccer Fans’ Passion and Rage

Nov. 11, 2025 Researchers scanning soccer fans’ brains found that wins trigger bursts of reward activity while losses dampen control signals. The results show how loyalty and rivalry can override logic, turning ...

Common Antidepressant Found to Work in Just Two Weeks

Nov. 8, 2025 Sertraline (Zoloft) may relieve emotional symptoms of depression and anxiety within two weeks, while physical side effects stabilize later. The research highlights how antidepressants can act on ...

Scientists Find Hidden Brain Damage from a Common Pesticide

Nov. 7, 2025 Prenatal exposure to the insecticide chlorpyrifos causes widespread brain abnormalities and poorer motor skills in children. Even after a residential ban, ongoing agricultural use continues to ...

Common Acne Drug May Protect Against Schizophrenia

Nov. 6, 2025 Scientists have discovered a surprising benefit of the acne drug doxycycline: it may lower the risk of schizophrenia. Teens prescribed the antibiotic were about one-third less likely to develop the ...

A Breakthrough Map Reveals How the Brain Really Works

Nov. 5, 2025 Scientists have shown that brain connectivity patterns can predict mental functions across the entire brain. Each region has a unique “connectivity fingerprint” tied to its role in cognition, ...

Alzheimer’s Might Be Powered by a Broken Sleep-Wake Cycle

Nov. 3, 2025 Disrupted sleep patterns in Alzheimer’s disease may be more than a symptom—they could be a driving force. Researchers at Washington University found that the brain’s circadian rhythms are ...

Running Fixes What Junk Food Breaks in the Brain

Oct. 21, 2025 New research reveals that exercise counteracts the mood-damaging effects of a Western-style diet through specific gut and hormonal mechanisms. Running restored metabolites tied to mental well-being ...

From Poison to Power: How Lead Exposure Helped Shape Human Intelligence

Oct. 16, 2025 Long before humans built cities or wrote words, our ancestors may have faced a hidden threat that shaped who we became. Scientists studying ancient teeth found that early humans, great apes, and even ...

Online Brain Training Reverses 10 Years of Aging in Memory and Learning

Oct. 29, 2025 A new McGill-led study reveals that digital brain exercises can rejuvenate aging brain systems responsible for learning and memory. Older adults using BrainHQ for 10 weeks showed restored cholinergic ...

Your Brain’s Power Supply May Hold the Key to Mental Illness

Oct. 14, 2025 Groundbreaking Harvard research is exposing hidden energy failures inside brain cells that may drive major psychiatric conditions. By studying reprogrammed neurons, scientists are revealing how ...

Stanford Scientists Grow Thousands of Mini Human Brains Using Common Food Additive

Oct. 18, 2025 Stanford scientists have solved a long-standing challenge in growing brain organoids by using a simple food additive to keep them from sticking together. The breakthrough enables the production of ...

New Research Reveals How ADHD Sparks Extraordinary Creativity

Oct. 13, 2025 Researchers have discovered that ADHD’s hallmark mind wandering might actually boost creativity. People who deliberately let their thoughts drift scored higher on creative tests in two large ...

Scientists Launch $14.2 Million Project to Map the Body’s “hidden Sixth Sense”

Oct. 25, 2025 Inside your body, an intricate communication network constantly monitors breathing, heart rate, digestion, and immune function — a hidden “sixth sense” called interoception. Now, Nobel laureate ...

Why the Brain’s GPS Fails With Age, and How Some Minds Defy It

Oct. 5, 2025 Stanford scientists found that aging disrupts the brain’s internal navigation system in mice, mirroring spatial memory decline in humans. Older mice struggled to recall familiar locations, while a ...

A Century-Old Piano Mystery Has Just Been Solved

Oct. 2, 2025 Scientists confirmed that pianists can alter timbre through touch, using advanced sensors to capture micro-movements that shape sound perception. The discovery bridges art and science, promising ...

Feeling Stressed? Science Finds a Simple Way to Take Back Control

Oct. 20, 2025 Feeling in control may be the key to conquering daily stress. Penn State researchers found that people were 62% more likely to resolve everyday hassles on days when they felt greater control. This ...

Poor Sleep Speeds Brain Aging and May Raise Dementia Risk

Oct. 2, 2025 New research shows that poor sleep could make the brain appear years older than it really is. Using MRI scans and machine learning, scientists found a clear link between unhealthy sleep patterns and ...

Why Gen X Women Can’t Stop Eating Ultra-Processed Foods

Sep. 29, 2025 Researchers found that middle-aged adults, especially women, are far more likely to be addicted to ultra-processed foods than older generations. Marketing of diet-focused processed foods in the 1980s ...

Your IQ May Determine How Well You Hear in a Crowd

Oct. 29, 2025 New research reveals that intelligence plays a key role in how well people process speech in noisy environments. The study compared neurotypical and neurodivergent individuals and found that ...

How 1 in 4 Older Adults Regain Happiness After Struggling

Oct. 10, 2025 A University of Toronto study found that nearly one in four adults aged 60+ who reported poor well-being were able to regain optimal wellness within three years. The research highlights that physical ...

How the Brain Decides Which Moments You’ll Never Forget

Sep. 27, 2025 Boston University researchers found that ordinary moments can gain staying power if they’re connected to significant emotional events. Using studies with hundreds of participants, they showed that ...

Hidden Bacterial Molecules in the Brain Reveal New Secrets of Sleep

Sep. 25, 2025 New studies show that a bacterial molecule, peptidoglycan, is present in the brain and fluctuates with sleep patterns. This challenges the idea that sleep is solely brain-driven, instead suggesting ...

Childhood Plastic Exposure Could Be Fueling Obesity, Infertility, and Asthma

Sep. 22, 2025 A sweeping review from NYU Langone Health reveals that everyday exposure to plastics—especially during childhood—poses lasting risks for heart disease, infertility, asthma, and even brain ...

Dogs Can Tell How Toys Work Without Any Training

Sep. 23, 2025 Gifted dogs can categorize toys by function, not just appearance. In playful at-home tests, they linked labels like “fetch” and “pull” to toys—even ones they’d never seen before. The ...