In my case I'm not aware of any connection between what I eat and drink, and my SD symptoms. Some people have said previously that irritants such as chilli peppers help temporarily.

Good question - I'm sure others will answer too.

There's been a few discussions on the BB about this.

I've found that caffeine...chocolate, coffee etc. make my voice spasms worse. Maybe powdered drinks too, like Instant Breakfast or protein drinks.

Foods that help for me are (sometimes) spicy foods, scallops and blueberries. Also drinking lots of water. And alcohol (read the thread about it) relaxes the cords.

Also, try to avoid neuro-toxins in foods, such as the flavor enhancer MSG (mono-sodium glutamate), also called "Accent". And avoid Nutrasweet/Equal/Aspartame, because this artificial sweetener is an "excitatory" neuro-toxin, that can cause twitching & even grand mal seizures.

Try avoiding foods that worsen GASTRIC REFLUX, such as milk, milk products, very acid foods, and MINTS (in all forms).

With the chicken, hmmm. Check into possible food allergies, or find out what was added to the chicken that you may be sensitive to, or that is just not good to eat.

Some people have a gluten intolerance (one type is called Celiac Disease), and when these folks eat gluten, the gluten harms the small intestine, and this can even lead to gastric reflux, which, in turn, can damage vocal cords.

Gluten is found in wheat, rye, oats, barley, & buckwheat. Try avoiding foods containing these for a month, to see if this is a factor for you.

Celiac Disease (CD) can be acquired (like from small intestine infections), or it can be hereditary. CD is found in about 1 out of 150 people, in general, and in an even higher incidence, in people having Irish, English, Scandinavian (or thereabouts) ancestors.

I think you are wise, to ask the question about foods! :-)