WIRED was the first magazine to cover Theranos and its enticing billionaire founder. There were warning signs even then.

Some of the many variants sold today promise to penetrate our gray matter, but biology isn’t in the habit of respecting marketing declarations.

Though plastic is usually inert, tiny pieces of it have the potential to react with one of the most pervasive molecules in the environment and in our bodies.

After four weeks of using the cream, participants lowered the biological age of their skin by about two years on average.