To cash in on the global craze for boosting immunity, many people are selling fraudulent products promising to cure, treat or prevent viral infection. 

There is no evidence that the advertised zinc supplements or green teas have any kind of effect. It is important to be wary of the hype and...

There is no certainty whether some forms of yoga are better than others, whether yoga should be prescribed to people for various health conditions, and how yoga compares with other forms of exercise. 

There's also no good evidence behind many of the supposed health benefits of yoga, ...

There’s no substantial confirmation they can make anyone smarter, sleep better or cleanse their chakras. Research into the anxiety-relieving or sleep-bringing, or any other claim is yet to be done, meaning that we have no evidence for these things beyond anecdotes.