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Columbia University's Mailman School of Public Health


Study shows hazardous patterns of prescription opioid misuse in the US

A new study published in the American Journal of Public Health found that 88% of past-12-month prescription opioid users used the drugs only as prescribed by a physician, while 4% misused them. Prescription-only misusers were more likely to be depressed and have higher rates of substance use disorder and benzodiazepine misuse.

SourceColumbia University's Mailman School of Public Health·JournalAmerican Journal of Public Health·DateAug 21, 2019

High-density of alcohol outlets and advertising affect youth drinking

A comprehensive alcohol policy can help curb adolescent alcohol use in Tanzania, where high-density outlets and advertising contribute to rising youth drinking. The study suggests that restricting outlet density, enforcing minimum drinking age laws, and using economic policies like taxation can reduce access to alcohol among adolescents.

Study illustrates gaps in knowledge and lack of support for girls during puberty

A study led by Columbia University's Mailman School of Public Health found that Madagascar girls experience significant gaps in knowledge about puberty, leading to inadequate guidance on sexuality and menstruation management. Improved toilet facilities are also needed to reduce challenges faced by girls in school.

SourceColumbia University's Mailman School of Public Health·JournalThe Journal of Early Adolescence·DateJun 10, 2019

Clean air taxis cut pollution in New York City: Study

A new study by Columbia University researchers found that the city's Clean Air Taxi regulations led to significant reductions in air pollution emissions, with overall fuel efficiency of medallion taxis doubling between 2009 and 2015. The emission reductions were associated with decreases in concentrations of pollutants in the city's air.

SourceColumbia University's Mailman School of Public Health·JournalJournal of Exposure Science & Environmental Epidemiology·DateMay 29, 2019

The 'projects' are nice now finds study on HUD Rental Assistance Demonstration Program

A study on the U.S. Department of Housing and Urban Development's RAD program found mostly positive results among residents at three conversion sites in Central California. Residents reported improved unit conditions, safety, and resident resources, but also safety concerns and pest infestations that were not fully resolved.

Arsenic in drinking water may change heart structure raising risk of heart disease

A new study by Columbia University Mailman School of Public Health found that arsenic exposure in drinking water may lead to thickening of the heart's main pumping chamber in young adults, increasing the risk for future heart problems. The study, published online in Circulation: Cardiovascular Imaging, assessed the effects of arsenic o...

Study finds differences in storefront tobacco advertising by product type

A new study by Columbia University Mailman School of Public Health documents specific characteristics of storefront tobacco advertisements, highlighting variations in ad features across product categories. The research found that cigarette ads dominated window space, while cigar and ENDS ads were more commonly placed near entry points.

Is it genetic code or postal code that influence a child's life chances?

A study published in Nature Human Behavior found that genetic factors play a small role in shaping children's health and educational success, while neighborhood conditions have a significant impact. The research team analyzed data from thousands of children living in Britain and Wales, and found that children growing up in worse-off ne...

SourceColumbia University's Mailman School of Public Health·JournalNature Human Behaviour·DateApr 8, 2019

Severe psychological distress and daily cannabis use: Implications for mental health?

Research found that daily cannabis use was three times higher among those with past-month serious psychological distress compared to those without it. The study suggests potential consequences of increased cannabis use for vulnerable groups, emphasizing the need for tailored clinical efforts to reduce excessive use.

SourceColumbia University's Mailman School of Public Health·JournalDrug and Alcohol Dependence·DateApr 4, 2019

Number and timing of pregnancies influence breast cancer risk for women with BRCA1 or BRCA2 mutation

Research confirms that women with BRCA1 and BRCA2 mutations experience a decreased risk of breast cancer after multiple full-term pregnancies. The study found that breastfeeding also reduces breast cancer risk for these women. However, the timing of pregnancy appears to play a crucial role in determining the level of risk reduction.

SourceColumbia University's Mailman School of Public Health·JournalJNCI Journal of the National Cancer Institute·DateMar 8, 2019

Getting behind the wheel on opioids: could be a road to tragedy

A new study published in JAMA Network Open found that driving while on prescription opioids significantly increases the risk of fatal motor vehicle crashes. The study analyzed data from over 18,000 fatal car crashes and found that drivers who tested positive for prescription opioids were more likely to be involved in fatal crashes.

Study on measles transmission in China have implications for controlling the epidemic worldwide

Researchers at Columbia University Mailman School used a new model-inference system to estimate population susceptibility and demographical characteristics in three key locations in China. The study found that catch-up vaccination targeting migrant populations may be an efficient means of controlling current epidemics in big cities, wh...

DDT exposure tied to breast cancer risk for all women through age 54

A six-decade-long study found that all women exposed to high levels of DDT are at increased risk for breast cancer before age 54, with the timing of cancer risk depending on when they were first exposed. Women exposed in infancy and early childhood were most likely to develop premenopausal breast cancer.

SourceColumbia University's Mailman School of Public Health·JournalJNCI Journal of the National Cancer Institute·DateFeb 13, 2019

Cannabis use disorder: The policy climate matters

A new study found that adolescents and young adults in liberal states reported higher past-year cannabis use rates than those in conservative states. However, the rates of cannabis use disorder were significantly lower in liberal states compared to conservative states for ages 12-17 and marginally lower for ages 26 and older.

SourceColumbia University's Mailman School of Public Health·JournalInternational Journal of Drug Policy·DateJan 23, 2019

Less than half of US youth discuss sensitive topics with their doctors

A new study by Columbia University's Mailman School of Public Health found that fewer than half of young people in the US discuss sensitive topics with their regular healthcare providers. The researchers suggest modifying healthcare delivery practices could improve these discussions, promoting better health outcomes for young people.