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What air pollution does to the human body I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early 2000s. Th… Started by Dr. Krishna Kumari Challa	1	Jan 21 Reply by Dr. Krishna Kumari Challa
A small insect crawling on it isn’t reason enough to discard a plate full of food. Q: You have prepared your food. You've settled to eat. Then an insect crawls onto it. Do you throw your food away? Krishna: How about remo… Started by Dr. Krishna Kumari Challa	1	Jan 20 Reply by Dr. Krishna Kumari Challa
Answering troll Qs on Vaccines Q: Where is 1 study in the US using record-level data showing that kids who are fully vaccinated die less? According to AI, no such study… Started by Dr. Krishna Kumari Challa	1	Jan 17 Reply by Dr. Krishna Kumari Challa
How the asteroid belt formed Q: How was the asteroid belt made? Krishna : The asteroid belt is located between the orbits of Mars and Jupiter and con… Started by Dr. Krishna Kumari Challa	1	Jan 10 Reply by Dr. Krishna Kumari Challa
Expert Reveals 5 Surprising Sources of Microplastics in Your Daily Diet The public is starting to understand that they can find microplastics in their food, particularly seafood, but exposure from other foods… Started by Dr. Krishna Kumari Challa	1	Jan 9 Reply by Dr. Krishna Kumari Challa
Plastic particles can increase intestinal inflammation A research team has investigated a possible link between the rising number of people with chronic inflammatory bowel disease and the increa… Started by Dr. Krishna Kumari Challa	1	Jan 9 Reply by Dr. Krishna Kumari Challa
Why does mint make water taste so cold? You've just cleaned your teeth, you're feeling minty fresh and ready to climb into bed. You take a sip of water, but the water is icy cold,… Started by Dr. Krishna Kumari Challa	1	Jan 9 Reply by Dr. Krishna Kumari Challa
Stem cell therapy for stroke Some parts of our bodies bounce back from injury in fairly short order. The outer protective layer of the eye—called the cornea—can heal f… Started by Dr. Krishna Kumari Challa	1	Jan 9 Reply by Dr. Krishna Kumari Challa
The 'why' question of autoimmune disorders Q: Why do allergies and autoimmune diseases develop? Why does our immune system become so destructive sometimes? Krishna: It is difficult… Started by Dr. Krishna Kumari Challa	2	Jan 9 Reply by Dr. Krishna Kumari Challa
How do people differentiate between personal beliefs and scientific evidence when discussing topics like evolution? Q: How do people differentiate between personal beliefs and scientific evidence when discussing topics like evolution? Krishna: The d… Started by Dr. Krishna Kumari Challa	1	Jan 9 Reply by Dr. Krishna Kumari Challa