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Allergic to the cold? It’s a real thing and it can even kill Allergic to the cold? It’s a real thing and it can even kill For most people, cold weather is an inconvenience, requiring an extra layer of… Started by Dr. Krishna Kumari Challa	1	Feb 2 Reply by Dr. Krishna Kumari Challa
Secret weapons or science tech weapons? Q: How did the United States gain immediate air superiority over Venezuela? Did Venezuela have no air defense systems, or were they unable… Started by Dr. Krishna Kumari Challa	1	Feb 1 Reply by Dr. Krishna Kumari Challa
Can other things prove with genuine evidence what science cannot? Q: There are many things that science can't prove, but why do we still choose science rather than others? Krishna: Okay, can th… Started by Dr. Krishna Kumari Challa	1	Feb 1 Reply by Dr. Krishna Kumari Challa
Snakes on trains: When king cobras prefer rail travel C: A snake emerged from beneath a pile of railway tracks stored at the site for ongoing railway maintenance and repair. D: An Indian Cobr… Started by Dr. Krishna Kumari Challa	1	Jan 31 Reply by Dr. Krishna Kumari Challa
Stone babies Q: I heard that women can sometimes carry stones instead of babies in their wombs. Is this true? Krishna: What you think stones are actuall… Started by Dr. Krishna Kumari Challa	2	Jan 30 Reply by Dr. Krishna Kumari Challa
Muscle twitches: Why they happen and what they mean You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or your foot that… Started by Dr. Krishna Kumari Challa	1	Jan 29 Reply by Dr. Krishna Kumari Challa
Genes influence the microbes in our mouths to shape dental health Q: I brush my teeth twice in a day, floss them, but still I am getting infections. Why is this? Krishna: Several people ask me this questi… Started by Dr. Krishna Kumari Challa	1	Jan 29 Reply by Dr. Krishna Kumari Challa
Answering questions on brain Q: Why does our brain consume so much energy? Krishna: Our brain consumes about 20% of the oxygen your body consumes which is incredible co… Started by Dr. Krishna Kumari Challa	1	Jan 29 Reply by Dr. Krishna Kumari Challa
How your life story leaves epigenetic fingerprints on your immune cells Our immune cells carry a molecular record of both our genes and our life experiences, and those two forces shape the immune system in very… Started by Dr. Krishna Kumari Challa	1	Jan 28 Reply by Dr. Krishna Kumari Challa
Fish allergy risk varies by fish size and which part is eaten, research reveals Image source: Deposit photos Fish allergies vary by region and may affect up to 3% of the population. A new study reveals allergy risks fr… Started by Dr. Krishna Kumari Challa	1	Jan 27 Reply by Dr. Krishna Kumari Challa