Does Botox make you sad?

Some of you may have read in the daily mail an article which suggests having Botox to treat your crows feet might make you more likely to feel depressed. On the face of it, this makes sense, as there is reliable research that preventing frowns may make people happier. However, I would like to see more details of the research, including who paid for it, numbers of subjects, whether it was a double blind trial etc, before I would give it credibility. In the meantime, this is what I tell my clients;

I can lessen or eliminate their ability to frown, or to raise their eyebrows, thus allowing the lines on their foreheads a chance to disappear. I can also reduce the spread of crows feet outwards from their eyes and across the cheekbones, creating a more youthful appearance.

But when they ask me to get rid of the lines below their eyes, I can only tell them to learn to love them, because, whatever treatment I give them, they will still continue to smile, and thank goodness! It is well known that smiling actually lifts our mood.There is NO way that having Botox around your eyes can affect your ability to smile properly, and therefore I cannot see how merely halting the outward spread of the lines that occur when we smile naturally could possibly be seen to affect your ability to smile.