QUESTION: Hey Dr Zac, over winter I was cranking up the heater, but someone at work mentioned these reverse cycle heaters/air conditioners, especially older ones, can spread bacteria like legionella.

Hearing aids could slash the risk of dementia by almost two thirds, new findings suggest. Hearing loss has been strongly linked to neurogenerative diseases such as Alzheimer's and other forms of ...

Johnson & Johnson is withdrawing a device to treat debilitating acid reflux disease from markets outside the US, a move surgeons warned would set back the available treatment options for sufferers by ...