Impingement (impact on bone into rotator cuff tendon or bursa) should not occur during normal shoulder function. When it does happen, the rotator cuff tendon becomes inflamed and swollen, a condition called rotator cuff tendonitis. Likewise if the bursa becomes inflamed, shoulder bursitis will develop. Both these conditions can co-exist or be present independently.
Blanching the dandelion greens. One good trick to get rid of the bitterness of the dandelion leaves is to blanch them. Blanching involves cooking them in boiling salted water for a few minutes, may be from 30 seconds to 2 minutes. Now drain the greens and transfer them to ice water.
eggplant- getting rid of the bitterness question. I'm trying to make eggplant caviar. Every time I've made it, it has a bitter aftertaste. Here's what I do: roast whole eggplants that have been pricked with a fork at 375 degrees for about 45 minutes- until they are soft and caved in. Let cool, peel, chop finely and add other ingredients. I know that the typical advice for getting out the bitterness involves salting the eggplant and draining it before cooking.