In genera, brown spots on the tongue appears because it does not pay attention to oral hygiene.
29+ Brown Spots On Lettuce. I was reluctant to buy it, even though i like a bargain, because of these spots. The brown spots that are already present on the tongue can be scraped off using a toothbrush or a tongue scraper.
Spots On Lettuce Ask An Expert from ask.extension.org
It's a good idea to always wash lettuce and other leafy greens before you eat them. It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. Although ethylene rarely causes browning of lettuce leaves, the leaves' strong midribs frequently turn a rust or brown color when exposed to the gas.
At home, wash and dry the romaine lettuce before storing in the refrigerator to eliminate excess moisture.
If you do burn yourself, be sure to treat the burn, with skim milk and water compresses and an antibiotic ointment. This article is intended for general informational purposes only and does not address individual circumstances. They range in shade from almost yellow to dark brown. It is not poisoning but.