Patients hoping to prevent vision loss and nerve damage associated with diabetes may find help in a cup of chamomile tea. British and Japanese researchers added chamomile extract to the diet of diabetic rats for 21 days. At the study’s end, researchers found that the animals given chamomile had lower blood glucose levels than the diabetic rats who were fed a normal diet. Researchers say the chamomile also appeared to inhibit two enzymes that have been associated with diabetic neuropathy,...