Most communities in the U.S. add fluoride to the tap water. It has been common practice for nearly 80 years to protect against tooth decay and cavities, and it's considered a major achievement in ...

More than 200 million people in the United States live in areas where fluoride is added to tap water. According to the most recent data available, 24 other countries around the world — including ...

Robert F. Kennedy Jr.'s recent comments on fluoride and controversial studies are prompting questions about its safety and why it's used in drinking water. Kennedy, a former presidential candidate ...

We pick the best Nikon lenses for all kinds of photography on Nikon F-mount DSLRs, including budget-friendly options. Choosing the best Nikon lenses for DSLRs means answering a couple of questions – ...

I do love a bit of prime time. Sure, zoom lenses are very versatile and convenient. But especially for the latest Canon and Nikon APS-C format mirrorless cameras, the choice is limited – and aperture ...

It’s impossible for us to recommend the best Sony lens for everyone, simply because there are so many to choose between. From wide-angle primes to super-telephoto zooms, we’ve tested a whole ...

Called fluoride, it's colourless ... fluorosis (permanent mottling of the teeth caused by disrupting the way that calcium is stored and distributed though the enamel) it's not otherwise harmful ...

To understand the science and the (pseudo-) controversy surrounding fluoride in drinking water, it’s necessary to examine various aspects of the subject in some detail. The Burden of Tooth Decay and ...

aluminum fluoride, sulphuric acid, oleum, calcium sulphate (gypsum) and iso butyl acetophenone. Its anhydrous hydrofluoric acid product has applications in manufacturing of fluorocarbons and ...