1. On the body (lungs, skin, respiratory tract)

2. Objects to use around

3. On the environment

What kind of speculative health future interests you the most?

• East Asia & Pacific:

  • China is the largest consumer of tobacco, with over 300 million smokers (about 30% of the global total). In some regions, up to 50% of adult men smoke.

  • Smoking rates in Japan and South Korea have been steadily decreasing.

• Europe:

  • Eastern Europe has some of the highest smoking rates globally, especially among men. In countries like Russia, over 40% of men smoke.

  • Western Europe has lower smoking rates due to strict regulations and high taxes, but rates are still significant, with around 25-30% of adults smoking in countries like France and Germany.

• Americas:

  • Smoking rates in the U.S. have dropped significantly, with about 12.5% of adults smoking (as of 2022).

  • Latin America, particularly in countries like Chile and Argentina, has smoking rates between 20-30%, though tobacco use is on the decline in many regions.

• Middle East & North Africa:

  • Smoking rates in this region are higher among men, with countries like Egypt and Jordan seeing rates of over 40% among male adults. Shisha (waterpipe) smoking is also culturally significant in some areas.

• Sub-Saharan Africa:

  • Smoking rates are relatively lower here, but tobacco use is growing as companies target this region. Rates vary but are generally under 15% of the adult population.

• South Asia:

  • In India, there are around 100 million smokers, and a significant portion of the population uses smokeless tobacco. Smoking rates are high among men, but there's a rising number of female smokers in urban areas.

• Men: Globally, about 35% of men smoke.

  • In regions like Eastern Europe and Southeast Asia, this number can go as high as 60%.

• Women: Around 6% of women smoke globally.

  • In Western Europe and the U.S., around 15-20% of women smoke.

  • Smoking among women is rising in some developing regions as tobacco companies target female consumers with marketing campaigns.

• In many regions, adolescent smoking rates remain high, especially in areas where regulations are weak.

• The rise of e-cigarettes has also complicated global smoking patterns, with concerns that vaping is increasing among young people.

• China has 300 million smokers, making up roughly 30% of the world’s smokers.

• Around 52.9% of men and only 2.4% of women smoke.

• Despite efforts, smoking cessation rates are low, though the government has been pushing for stricter anti-smoking measures, such as indoor smoking bans in cities like Beijing.

1. Sidestream smoke – the smoke emitted from the burning end of a cigarette or other tobacco products.

2. Mainstream smoke – the smoke exhaled by the smoker.

Secondhand smoke contains more than 7,000 chemicals, many of which are toxic and around 70 of which are known to cause cancer.

• Homes: Secondhand smoke in the home is a leading cause of exposure, particularly for children. Smoke can linger in the air for hours after cigarettes have been extinguished, and toxins settle on surfaces, leading to "thirdhand smoke" exposure when these surfaces are touched.

• Workplaces: In the past, many workplaces allowed smoking indoors. Although smoking bans in workplaces have been implemented in many countries, in some regions, workers are still exposed to secondhand smoke, particularly in bars, restaurants, and casinos.

B. Outdoor Spaces:

• Public Areas: While secondhand smoke exposure outdoors is typically less concentrated, non-smokers can still inhale significant amounts of smoke, particularly in crowded outdoor spaces, like bus stops, stadiums, and outdoor restaurants.

C. Public Transport and Vehicles:

• Cars: Exposure to secondhand smoke in cars can be particularly intense due to the confined space, even with the windows open. Many jurisdictions have banned smoking in vehicles with children present to reduce exposure.

Many countries have enacted smoking bans in indoor public spaces, including workplaces, restaurants, bars, and public transport. These bans have led to significant reductions in secondhand smoke exposure and related health problems.

Countries like the U.K., Australia, Canada, and many U.S. states have comprehensive bans, including on smoking in cars with minors and near public buildings.

B. Public Awareness Campaigns:

Public health campaigns highlight the dangers of secondhand smoke, particularly for children. These campaigns encourage smokers to avoid smoking indoors or around others.

C. Smoke-Free Homes Initiatives:

Many health organizations promote the creation of smoke-free homes, encouraging families to ban smoking indoors and in cars. These initiatives aim to protect children and non-smoking adults from the dangers of secondhand smoke.

D. International Efforts:

The World Health Organization (WHO) advocates for smoke-free environments as part of its Framework Convention on Tobacco Control (FCTC), calling for stricter laws and public education to protect people from secondhand smoke.

• The device could be a small, lightweight filter that attaches to the end of the cigarette. It would need to capture and filter both mainstream and sidestream smoke. This would involve creating a mini filtration system that purifies the smoke as it is exhaled or while it's burning at the end of the cigarette.

2. Activated carbon to absorb harmful chemicals like nicotine and carbon monoxide.

3. Catalytic converters similar to those used in cars to break down harmful substances into less toxic byproducts.

The device would require highly efficient yet breathable filter materials, similar to those used in high-grade masks (e.g., N95 filters) but designed for the specific chemistry of cigarette smoke.

Nanotechnology could be useful for creating thin, effective filters capable of capturing harmful particles while maintaining airflow.

Rechargeable or Replaceable Filters:

The filters in the device could be replaceable or even rechargeable, where the smoker needs to swap out parts after a certain number of uses.

The device would likely need approval from health agencies (e.g., FDA, European Medicines Agency) or environmental authorities to ensure that it meets safety and efficacy standards.

2. Public Policy Support:

Governments could support the development and distribution of these devices through public health policies that encourage smoking in designated areas only if such devices are used, creating a market incentive for manufacturers.

• If a portable device for purifying secondhand smoke were to be created, a HEPA filter could capture the fine particles found in tobacco smoke. This would help reduce the number of harmful particulates inhaled by those nearby, improving air quality around the smoker.

HEPA filters are trusted for high-efficiency air filtration, making them a promising technology for any application where removing small particles is crucial.