A new technique, based on a chain reaction of recognition and hybridization events between two sets of DNA hairpin molecules, offers an enzyme-free alternative for the rapid detection of specific DNA ...

Biphasic anaphylaxis is a second anaphylactic reaction after successful treatment, without new allergen exposure. It can occur up to 72 hours later, often peaking within 8 to 11 hours. Symptoms can ...

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

In the United States, about 33 million people and 1 in 13 children have food allergies, and nine foods cause 90% of reactions. These include milk, eggs, peanuts, tree nuts, wheat, soy, fish, shellfish ...

Photochemistry is the study of chemical processes that occur because of the absorption of light. The study of photochemical systems that use sunlight to drive important chemical reactions or to ...

Acesulfame potassium is an artificial sweetener (also known as Ace-K). Artificial sweeteners have been controversial because of possible health risks. But some of these sugar substitutes offer you a ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...