View. comments. Poor diet is the is the biggest contributor to early deaths across the world, a study has warned. Experts said 21 per cent of global deaths can be attributed to diets high in red meat and sugary drinks, and lacking in fruit, vegetables and wholegrains.
1. Sign in to your Twitter account using your username and password. Ad. 2. Make sure that the person you want to message is following you. You can only send direct messages to your followers.
The @ sign is used to call out usernames in Tweets: Hello @twitter!. People will use your @username to mention you in Tweets, send you a message or link to your profile. A username is how you're identified on Twitter, and is always preceded immediately by the @ symbol. For instance, Twitter Support is @Support.