Exist

Weekly links 104: Water

What it's like to be allergic to water

nymag.com

The doctors conducted a series of tests to rule out obvious possible triggers like cold and, using a hand towel soaked in distilled water, identified a condition called aquagenic urticaria: Sufferers are so sensitive to pure water it causes them to erupt in hives within minutes of exposure. The doctors were perplexed, noting in their report that “water is the most trusted compound in the universe … we bathe in it, we drink it, we live by it, asking of it only purity. Hence it is with difficulty that one comes to realize that some individuals react adversely to simple contact with water.”

Drinking water before a meal can help you lose weight

shape.com

Fancy a cocktail before dinner? If you're trying to lose weight, make it a double H₂O on the rocks. According to a new British study, downing water before a meal can help you drop pounds—without making any other changes to your diet.

Hidrate Spark

Hardware, pre-order from US $59.95

"A connected water bottle that lights up when you need to take a sip". If you find the idea of a naggy water bottle appealing, Hidrate has just the thing to go with your Android or iOS device. It was previously Kickstarter-funded and is now available to preorder through the Hidrate site, shipping Jan 2016.

H20Pal

Hardware, pre-order from US $84

If you'd rather retrofit an existing water bottle to remind you to take a sip and stay hydrated, The H20Pal may be more your thing (though you can also buy it with a bottle included). It syncs only to iOS and has a six-month battery life.

Waterminder

Software, Android, iOS and Apple Watch

An app that helps you track your water intake, with optional notifications and graphs of past water drinkage.

Waterlogged

Software, iOS

One of the most popular water intake tracking apps in the App Store, Waterlogged makes it simple to track your glasses and graph your consumption.