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 ...

Making food beautiful—and toxic

Toxic chemicals are being used by food sellers across sub-Saharan Africa to improve the look of meat and fish, scientists and food inspectors say, putting the health of millions at risk.

Cellular energy audit reveals energy producers and consumers

Adenosine triphosphate, or ATP, is the cellular energy currency that is as valuable to the human body as the dollar is to the US economy. Too high or too low levels of ATP in some cell types have been linked to a variety ...

Oxidative stress: Less harmful than suspected?

Arterial calcification and coronary heart disease, neurodegenerative diseases such as Parkinson's and Alzheimer's, cancer and even the aging process itself are suspected to be partially caused or accelerated by oxidative ...

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