Artificial sweeteners, used to replace sugar in a vast range of products, do not help in losing weight and can have serious health effects, according to the World Health Organization (WHO).

Long COVID risk has been found to increase with low levels of vitamin D, according to research presented at the 25th European Congress of Endocrinology in Istanbul. The findings suggest that individuals should have their vitamin D levels checked after COVID-19.

In May 2020, Stanford scientists developed a test that could have altered the course of the COVID-19 pandemic response. It was never rolled out.

Thousands of COVID-19 vaccine recipients have reported persistent ringing in their ears after getting the shots.

The World Health Organization (WHO) has declared that COVID-19 no longer represents a "global health emergency".

A new prospective cohort study finds that low vitamin B6 and impaired folate levels were associated with low birth weights in the south Indian pregnant women studied.

A landmark COVID-19 vaccine injury class action lawsuit has been filed against the Australian government.

A new retrospective study of Spanish pregnant women during the COVID-19 epidemic highlights significant vitamin D deficiencies, resulting from the imposed strict lockdown in the region.