TIP: How to alert friends to a particular article on this site 

1. Go to the box at the top right hand corner of the article 

2. Click on "Email this article to a friend"

3. Complete the fields and click "Send"

That's it!

TIP: How to respond to a particular article on this site 

1. Go to the box at the top right hand corner of the article 

2. Click on "eLetters: Submit a response to this article"

3. Complete the fields, preview your submission for accuracy, and click "Send response"

We aim to post all responses that contribute to the topic under discussion in less than three days.