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How Dehydration Affects Immunity Q: Can dehydration weaken your body's natural immune defenses? Krishna: Image source: Adobe Stock Yes, dehydration can weaken your bod… Started by Dr. Krishna Kumari Challa	1	Jul 31 Reply by Dr. Krishna Kumari Challa
Which bacteria trigger the 'farm effect' that makes children less prone to allergies? Scientists have an answer now Study identifies which bacteria trigger the 'farm effect' that makes children less prone to allergies Children who grow up in a farm enviro… Started by Dr. Krishna Kumari Challa	1	Jul 29 Reply by Dr. Krishna Kumari Challa
Alternatives to synthetic food colours In most Indian recipes, people use artificial colours to make them attractive. Most of them are petroleum-based synthetic food dyes (PBFD… Started by Dr. Krishna Kumari Challa	1	Jul 28 Reply by Dr. Krishna Kumari Challa
Does perfection exist in science? Q: Does perfection exist in science? Krishna: While answering this Q, we usually think along these lines: No, perfection does not exist i… Started by Dr. Krishna Kumari Challa	1	Jul 28 Reply by Dr. Krishna Kumari Challa
Gut Jet Lag Your gut can get jet lag too! A dream vacation, an exotic destination, a long-haul flight and finally some well-deserved rest. The prob… Started by Dr. Krishna Kumari Challa	1	Jul 25 Reply by Dr. Krishna Kumari Challa
From urinary tract infection to brain abscess: Bacterial subpopulations can spread to distant body sites Researchers present a clinical case in the New England Journal of Medicine that provides new insights into the evolution of bacterial path… Started by Dr. Krishna Kumari Challa	1	Jul 24 Reply by Dr. Krishna Kumari Challa
How the trend for turning front gardens into driveways is adding to night‑time heat Image credit: iStock Warm sticky nights are becoming more and more common in the UK. Climate change is raising temperatures, but one fac… Started by Dr. Krishna Kumari Challa	1	Jul 18 Reply by Dr. Krishna Kumari Challa
No plastic netting please Q: Can we use plastic netting to avoid pigeons? Krishna: A few days back people in our apartment complex made a proposal to net our ent… Started by Dr. Krishna Kumari Challa	1	Jul 18 Reply by Dr. Krishna Kumari Challa
Animal war preparation: What animals do before going to war Intergroup conflict is rife throughout the natural world, being found in social species from ants to primates. Conflict over resources suc… Started by Dr. Krishna Kumari Challa	1	Jul 17 Reply by Dr. Krishna Kumari Challa
Patients who suffer heart attack have more micro and nanoplastic in their blood Nanoplastics in artery clogging Image credit: American Heart Association People who suffered a serious heart attack had higher levels o… Started by Dr. Krishna Kumari Challa	1	Jul 15 Reply by Dr. Krishna Kumari Challa