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Study finds teen vaping probably doesn’t lead to smoking

A new study in Nicotine & Tobacco Research, published by Oxford University Press, suggests that adolescent e-cigarette users are more similar to conventional cigarette smokers than they are to non-tobacco users in terms of demographics and behavioral characteristics. While many public... Continue Reading →

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Lymphatic system found to play key role in hair regeneration

Given the amount of wear and tear it's subjected to on a daily basis, the skin has a phenomenal ability to replenish itself. Spread throughout it are small reservoirs of stem cells, nested within supportive microenvironments called niches, which keep... Continue Reading →

Bacterial lifestyle alters the evolution of antibiotic resistance

How bacteria live -- whether as independent cells or in a communal biofilm -- determines how they evolve antibiotic resistance, which could lead to more personalized approaches to antimicrobial therapy and infection control. University of Pittsburgh School of Medicine researchers... Continue Reading →

‘Artificial leaf’ successfully produces clean gas

A widely-used gas that is currently produced from fossil fuels can instead be made by an 'artificial leaf' that uses only sunlight, carbon dioxide and water, and which could eventually be used to develop a sustainable liquid fuel alternative to... Continue Reading →

DEET gives humans an ‘invisibilty cloak’ to fend off mosquito bites

Since its invention during the Second World War for soldiers stationed in countries where malaria transmission rates were high, researchers have worked to pinpoint precisely how DEET actually affects mosquitos. Past studies have analyzed the chemical structure of the repellent, studied... Continue Reading →

How mucus tames microbes

More than 200 square meters of our bodies -- including the digestive tract, lungs, and urinary tract -- are lined with mucus. In recent years, scientists have found some evidence that mucus is not just a physical barrier that traps... Continue Reading →

1-2 caffeinated drinks not linked with higher risk of migraines; 3+ may trigger them

Afflicting more than one billion adults worldwide, migraine is the third most prevalent illness in the world. In addition to severe headache, symptoms of migraine can include nausea, changes in mood, sensitivity to light and sound, as well as visual... Continue Reading →

Engineered viruses could fight drug resistance

In the battle against antibiotic resistance, many scientists have been trying to deploy naturally occurring viruses called bacteriophages that can infect and kill bacteria. Bacteriophages kill bacteria through different mechanisms than antibiotics, and they can target specific strains, making them... Continue Reading →

Aspirin may halve air pollution harms

A new study is the first to report evidence that nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin may lessen the adverse effects of air pollution exposure on lung function. The team of researchers from the Columbia Mailman School of Public Health,... Continue Reading →

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