Passive Smoking News and Research

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Passive smoking is breathing in other people's smoke. It affects non-smokers and smokers.

Bacteria found in classroom dust may affect children’s respiratory health

Common bacteria found in classroom dust are associated with reduced lung function in children according to research presented at the European Respiratory Society (ERS) Congress in Barcelona, Spain.

6 Sep 2026

Impact of ban and ordinances against indoor smoking in eating, drinking establishments

To reduce the adverse health effects associated with exposure to second-hand smoke, Japan fully enforced the Revised Health Promotion Law in April 2020, introducing a nationwide indoor smoking ban in restaurants and similar hospitality establishments.

18 Mar 2026

Cesarean births do not raise infant allergy risk in major Japanese cohort study

In a large Japanese birth cohort, cesarean delivery was not linked to higher risks of eczema, wheezing, atopic dermatitis, or asthma in infants at one year of age. Emergency cesarean delivery was even associated with a modest reduction in eczema, suggesting that mode of birth alone may not drive early-life allergic disease.

13 Nov 2025

Second-hand smoke causes major health burden for children worldwide

Children lose 8.45 million days of healthy life each year globally due to second hand smoke, according to research presented at the European Respiratory Society Congress in Amsterdam, the Netherlands.

29 Sep 2025

Diabetes cases nearly double in children and teens worldwide

A dramatic increase in childhood diabetes cases highlights a global health crisis. While mortality declines, the rising incidence demands urgent attention.

12 Sep 2025

Study links childhood passive smoking in fathers to higher COPD risk in offspring

A father's exposure to passive smoking as a child may impair the lifelong lung function of his children, putting them at risk of COPD-a risk that is heightened further if they are childhood passive smokers themselves-finds research published online in the respiratory journal Thorax.

2 Sep 2025

Air pollution’s chemical punch alters immune markers in pregnant women, study finds

Personal exposure to nitrogen dioxide and the oxidative potential of fine particulate matter (PM2.5), but not PM2.5 mass, influenced immune biomarker levels in pregnant women. These findings suggest that the chemical reactivity of air pollutants may play a key role in maternal and fetal immune health.

22 May 2025

Could tea during pregnancy give your baby a brain boost? Research says yes

Maternal tea consumption during pregnancy – particularly in the second and third trimesters – is associated with improved cognitive, fine motor, and gross motor skills in 3-year-olds, while coffee intake shows no significant impact, according to a Chinese cohort study of 1,423 mother-child pairs.

18 Mar 2025

Eating cheese during pregnancy linked to better neurodevelopmental outcomes in children

Researchers found that higher maternal intake of yogurt and cheese during pregnancy significantly reduces the risk of neurodevelopmental delays in children at age 3.

24 Jun 2024

Passive smoking associated with significant increases in the risk of nine health outcomes including lung and breast cancer

Researchers assess and quantify the adverse health effects of second-hand smoke exposure.

12 Jan 2024

The relationship between tobacco smoking, all-cause mortality, and premature death

The adverse effects of smoking on public health in the country and calls for immediate action.

14 Dec 2023

Study exposes tobacco smoke's alarming impact on breast milk, elevating toxic elements

Study reveals that both active and passive tobacco smoke exposure during pregnancy or lactation significantly increases the levels of toxic micro-elements like mercury, cadmium, lead, and arsenic in breast milk, posing serious health risks to infants.

27 Nov 2023

Exploring the connection: Diet, sleep patterns, and blood pressure in young individuals

The relationship between dietary and sleep rhythms and blood pressure (BP) levels in children.

6 Nov 2023

Indoor air pollution from cooking fuels linked to developmental delays in children

Just about everyone knows that cigarette smoke is bad for babies. Should cooking fuels like natural gas, propane and wood be viewed similarly when used indoors?

26 Sep 2023

Smoking can accelerate the process of aging, study shows

A study of nearly 500,000 people has shown that smoking shortens the end fragments of chromosomes in the white blood cells of our immune systems.

12 Sep 2023

The number of deaths attributable to second hand smoke exposure has increased between 1990 and 2019

Researchers estimated the prevalence of and assessed trends in exposure to second-hand smoke (SHS)

2 Aug 2023

Addressing research gaps: The UK's efforts to study lung cancer in never smokers

Study aimed to understand the specific needs of lung cancer in never smokers (LCINS) patients.

25 Jul 2023

Smoke alarm: France's high maternal smoking rates fuel prematurity and low birth weight

Research highlights the adverse effects of active and passive maternal smoking on low birth weight and preterm delivery rates. It emphasizes the importance of smoking cessation and tobacco control policies to improve maternal and child health outcomes.

1 Jun 2023

A review of the risk factors associated with cancer evolution

Researchers reviewed existing data on tumor-promotive risk factors and their underlying mechanisms.

17 Apr 2023

Study shows e-cigarettes not linked to wheezing risk

Researchers analyze the longitudinal association between electronic nicotine delivery systems, cigarette use, and wheezing.

10 Apr 2023