Using a national survey of 88,183 adolescents in grades nine to 12, findings show marijuana use declined from 23.1% in 2011 to 15.8% in 2021, with first-time use before age 13 dropping from 8.1% to 4.9%. In 2021, use was highest among...
As cannabis is legalized and is more accessible in various forms across the country, there is increasing concern among health care providers about potential impact on children. Researchers have new findings to add to the existing...
A new study found a strong association between handheld cellphone use and risky driving behaviors among newly licensed teen drivers. The study used a smartphone telematics application to track the driving habits of hundreds of teens and...
A recent study found that good physical fitness from childhood to adolescence is linked to better mental health in adolescence. These results are significant and timely, as mental health problems are currently a major societal challenge,...
The duration of breastfeeding is shorter than average among mothers with a fear of childbirth -- regardless of the mode of delivery, a new study from Finland shows.
New research has found that lockdowns during the COVID-19 pandemic resulted in unusually accelerated brain maturation in adolescents. This maturation was more pronounced in females.
Women with higher levels of per- and polyfluoroalkyl substances (PFAS) during pregnancy may experience long-term weight gain and heart problems later in life, according to new research.
Losing someone close, like a family member, can make you age faster. The study found that people who lost a parent, partner, sibling, or child, showed signs of older biological age compared to those who hadn't experienced such losses.
Since 2009, U.S. high school seniors have reported steep declines in medical use, misuse and availability of the three most commonly prescribed and misused controlled substances for teens, a new study found.
A new report highlights a troubling trend: while global adolescent fertility rates have significantly declined, sub-Saharan Africa is experiencing an increase in teen births. This region's share of global adolescent births surged from 12...
Researchers outline some of the intermediate biological steps that could play into how prenatal cannabis exposure leads to behavioral issues down the line.
Just four per cent of talented teen academy prospects make it to the top tier of professional football, a new study has shown. A sample of nearly 200 players, aged between 13-18, also revealed only six per cent of the budding ballers...
A longitudinal study using a big dataset of 2,400 young people recruited from the UK found that social anxiety symptoms (measured at the outset) were significantly associated with more suicidal thoughts and other depressive symptoms two...
A new study found a distinct relationship between sleep duration, social media usage, and brain activation across brain regions that are key for executive control and reward processing.
While older drugs for epilepsy, taken while pregnant, have been shown in previous research to affect the creative thinking of children, a new study finds no effects on creativity for children born to those taking newer epilepsy drugs.
A baby's exposure to air pollution while in the womb is associated with the development of certain mental health problems once the infant reaches adolescence, new research has found. The study examined the long-term mental health impact...
Adolescents who view their households as more unstructured, disorganized, or hectic than their siblings develop more mental health and behavioral problems in early adulthood, according to new research.
According to a recent study, high levels of sedentary behavior and physical inactivity from childhood strain the heart in adolescence. High cardiac workload predicts heart failure and other heart diseases. In light of the findings,...
People who as teenagers felt pressure to lose weight from family or from the media, females, people who are not heterosexual, and people experiencing socioeconomic disadvantage, are most at risk of 'internalized' weight stigma, new...
A study confirms the concerns raised in the public domain about how young people's decreased fitness may affect their future work ability. The association of low youth cardiorespiratory fitness and adulthood decreased work ability...
Women affected by premenstrual disorders have a higher risk of perinatal depression compared with those who do not, according to new research. The relationship works both ways: those with perinatal depression are also more likely to...
Experiencing puberty earlier, compared to same-age peers, may be one of the mechanisms through which childhood risk factors influence adult cardiometabolic health issues, according to a new study.
Many parents recognize increasing mental health concerns among children, reflected by the 1 in 5 who say they're open to allowing a child to take a mental health day.
Returning to moderate to vigorous physical activity (MVPA) after a concussion may play a vital role in helping teens feel less anxious while recovering from the injury, according to a new study.
Asthma is more common among high school students who use cannabis, relative to those who do not and the prevalence of asthma increases with the frequency of its use among the students, according to a new study.
Young adults who reported higher stress as adolescents were more likely to have high blood pressure, obesity and other cardiometabolic risk factors as adults, finds new study.
An average of 22 adolescents 14 to 18 years of age died in the U.S. each week in 2022 from drug overdoses, raising the death rate for this group to 5.2 per 100,000 -- driven by fentanyl in counterfeit pills. The researchers also found 19...
A new study finds that older adult drivers who are recently diagnosed with migraines are three times as likely to experience a motor vehicle crash. Older adult drivers who reported having ever had migraines in the past were no more...
Diet quality among adolescents in the United States is among the worst across all age groups, putting young people at risk for heart attack, stroke, and diabetes, among other cardiometabolic diseases later in life, according to a new...
Racial discrimination and bias are painful realities and increasingly recognized as detrimental to the health of adults and children. These stressful experiences also appear to be transmitted from mother to child during pregnancy,...
In a new study of more than 50,000 Korean adolescents, those who used a smartphone for more than 4 hours per day had higher rates of adverse mental health and substance use.
Children whose mothers are highly stressed, anxious or depressed during pregnancy may be at higher risk for mental health and behavior issues during their childhood and teen years, according to new research.
Hormonal contraceptives taken by adolescents may influence development of the brain in a way that alters the recognition of risks, a new study in rats suggests.
Men who are overweight or obese at age 18 have a higher risk of 17 different cancers later in life. This has been shown in a study at the University of Gothenburg. The research also describes how the youth obesity epidemic is expected to...
The slowdown of physical activity during adolescence is not likely caused by lifestyle and environment but by energy demands placed on the body as it grows and sexually matures, according to a new study.
A new study has shown that women who are taking the oral contraceptive pill are less likely to report depression. The research, which analysed data from 6,239 women in the United States aged 18-55 years old, found that the prevalence of...
Cognitive skills underlying the ability to plan, switch from task to task and resist tempting distractions usually matures by the time an individual turns 18 years old, a new study says.
In a mouse study designed to explore the impact of marijuana's major psychoactive compound, THC, on teenage brains, researchers say they found changes to the structure of microglia, which are specialized brain immune cells, that may...
Data from more than 15,000 lower-income children ages 2 to 6 reveals higher-than-expected levels of significant behavioral dysfunction. Co-authors urge increased screening, prevention programs in primary care settings.
A resource economist finds mandated in-school Body Mass Index assessments adopted in varying forms by 24 states to combat childhood obesity have the potential to improve the health of some students while introducing body-image issues for...