Dr Dirk Lachenmeier | Avoiding Injury from Hot Food by Determining the Threshold Contact Temperature
Original Article Reference
This SciPod is a summary of the paper ‘Injury Threshold of Oral Contact with Hot Foods and Method for Its Sensory Evaluation’ published in the journal Safety. DOI: https://doi.org/10.3390/safety4030038
About this episode
Consuming very hot food and beverages poses a risk of oesophageal cancer. Although injury thresholds have been specified in industry standards and guidelines, there remain practical limitations in obtaining an exact measurement of the contact temperature from hot foodstuff in the oral mucosa inside the mouth. Dr Dirk Lachenmeier, a chemist and toxicologist at the Chemical and Veterinary Investigation Agency Karlsruhe, worked in collaboration with his father Dr Walter Lachenmeier, a retired engineer, to develop a new method to estimate the safe surface or consumption temperature of hot food. This has allowed them to make important recommendations.
This work is licensed under a Creative Commons Attribution 4.0 International License. 
What does this mean?
Share: You can copy and redistribute the material in any medium or format
Adapt: You can change, and build upon the material for any purpose, even commercially.
Credit: You must give appropriate credit, provide a link to the license, and indicate if changes were made.
More episodes
Prof. Jim Oates | When Blood Vessels Speak: How Lupus Turns the Body’s Gatekeepers into Active Messengers of Inflammation
You may imagine your vasculature as a vast and silent network of tubes, dutifully carrying blood, oxygen, and nutrients to every organ and tissue. These vessels seem purely mechanical, like plumbing hidden behind walls, doing their job quietly and invisibly. Yet modern biology has revealed a far richer and more surprising reality. Blood vessels are lined with living, sensing, responding cells called endothelial cells, and these cells are anything but passive. They listen to chemical signals, respond to stress, regulate traffic, and communicate constantly with the immune system.
Prof. Stephen Graham | From Hospitals to Households: How Decentralised Care Is Transforming Tuberculosis Treatment for Children
Tuberculosis remains one of the world’s oldest and most stubborn infectious diseases, yet the way health systems respond to it is often dogged by modern challenges. Clinics are overcrowded, families must travel long distances, and children with vague or non-specific symptoms are frequently overlooked. For decades, tuberculosis care has been organised around hospitals and specialised facilities, even though the disease itself spreads and takes root in homes and communities. A growing body of research now argues that this mismatch is costing lives, particularly among children. Decentralised models of care, which bring services closer to families and empower community-based health workers, offer a compelling alternative. Recent evidence from multiple settings shows that when tuberculosis care is shifted out of distant clinics and into neighbourhoods and households, access expands with potential to close the current gaps in TB detection, treatment outcomes and prevention that benefit communities and families, including their children.
Dr. Jürgen Gailer | Linking the Blood Chemistry of Metals with Adverse Human Health: New Tools Reveal an Invisible World
Researchers Maryam Doroudian and Jürgen Gailer from the University of Calgary explore what happens when red blood cells rupture and release a zinc-containing enzyme called carbonic anhydrase 1 into the bloodstream, revealing that it remains unexpectedly free and may influence vascular health. Their work also connects to broader research showing how liquid chromatography is transforming our ability to study toxic cadmium and mercury as they move through the body. Together, these studies uncover hidden biochemical processes that shape how environmental pollutants and blood-cell damage affect human health.
Easing the Hardest Moment: How Brain Stimulation Is Transforming Care for People with Opioid Use Disorder
In the world of opioid addiction treatment, the hardest moment often arrives precisely when hope begins to emerge. It is the moment someone chooses to stop using opioids. That decision, courageous and life-changing, almost immediately collides with one of the most punishing physiologic syndromes known in medicine: opioid withdrawal. Withdrawal brings waves of nausea, sweats, shaking, cramps, insomnia, anxiety, and extremely intense cravings. For countless individuals, this moment is a seemingly inescapable stumbling block that can be the undoing of their recovery. They want to stop, they mean to stop, but withdrawal can become an insurmountable barrier.
Increase the impact of your research
• Good science communication helps people make informed decisions and motivates them to take appropriate and affirmative action.
• Good science communication encourages everyday people to be scientifically literate so that they can analyse the integrity and legitimacy of information.
• Good science communication encourages people into STEM-related fields of study and employment.
• Good public science communication fosters a community around research that includes both members of the public, policymakers and scientists.
• In a recent survey, 75% of people suggested they would prefer to listen to an interesting story than read it.
Step 1 Upload your science paper
Step 2 SciPod script written
Step 3 Voice audio recorded
Step 4 SciPod published



