English: mindfulness
Welsh: ymwybyddiaeth ofalgar 
Subject: Iechyd
English definition: Mindfulness is a way of paying attention to the present moment, using techniques like meditation, breathing and yoga. It helps us become more aware of our thoughts and feelings so that instead of being overwhelmed by them, we're better able to manage them. Practising mindfulness can give people more insight into their emotions, boost their attention and concentration and improve relationships. It's proven to help with stress, anxiety, depression and addictive behaviours, and can even have a positive effect on physical problems like hypertension, heart disease and chronic pain.
Welsh context: Gellid defnyddio "ymwybyddiaeth fyfyriol" hefyd.