Gargling salt water is a time-tested way to alleviate sore-throat pain. As a nasal lavage, it can help clear stuffy sinuses associated with colds and allergies. But, is gargling salt water effective against the symptoms of COVID-19?

Microplastics contained in drinking water pose a “low” risk to human health at current levels, but more research is needed to reassure consumers, the World Health Organization (WHO) said on Thursday.

An estimated 6.3 million children died before their 15th birthdays in 2017 – or one every five seconds – mostly due to a lack of water, sanitation, nutrition and basic healthcare, according to report by United Nations agencies.

PureTech subsidiary Gelesis is moving closer to filing for regulatory approval of its obesity treatment Gelesis100 after results of the latest study, the company said.

The mayor of Flint, Mich., said Monday that federal aid the city is set to receive is just the tip of the iceberg of what will be needed to recover from lead contamination in its drinking water. President Barack Obama on Saturday declared a federal emergency in Michigan, freeing as much as $5 million in […]