When people make you feel unwanted, don't leave to make them feel sad or guilty, they won't. Leave because you no longer have a reason to stay. Sometimes you have to be strong for yourself. What's meant to be will end up good and what's not - won't.
Research into altering genetic codes to defeat viruses and cancers has shown promising results, but the subject is fraught with social and ethical concerns. We talk to an expert on genetics about the possible uses of the technology