Wearable electronic skin delivers drugs and stores data

Average life expectancy has nearly doubled since 1800, thanks to progress in medicine. Most of that was made by developing drugs and improving public health services. The medical revolution of the 21st century is going to ...

Researchers uncover earliest tobacco use in the Pacific Northwest

(Phys.org)—Native American hunter-gatherers living more than a thousand years ago in what is now northwestern California ate salmon, acorns and other foods, and now we know they also smoked tobacco—the earliest known ...

Urban sparrows find new use for cigarette butts

Cigarette butts are widely reviled as an urban nuisance but birds in Mexico City see them as a boon, apparently using them to deter parasites from their nests, scientists say.

New pump created for microneedle drug-delivery patch

(PhysOrg.com) -- Purdue University researchers have developed a new type of pump for drug-delivery patches that might use arrays of "microneedles" to deliver a wider range of medications than now possible with conventional ...

New test allows individualized profiles of cigarette smoking

A test for one of the thousands of chemicals in cigarette smoke has the potential for more accurately estimating smokers' mouth level exposure and may have applications for developing custom-tailored quitting approaches for ...

The mode of action of certain toxins that accumulate in seafood

Toxins released by certain microalgae can contaminate fish and shellfish which then become toxic to humans. French researchers from CNRS and CEA have, for the first time, identified the mechanisms of action of two of these ...

Are bees also addicted to caffeine and nicotine?

A study carried out at the University of Haifa has found that bees prefer nectar with a small concentration of caffeine and nicotine over nectar that does not comprise these substances at all. "This could be an evolutionary ...

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