Q and A: about health and research

  The difference between empathy and sympathy lies in how we understand and respond to another person's feelings or experiences. Empathy Definition : Empathy is the ability to understand and share someone else's feelings as if they were your own. It involves putting yourself in the other person's shoes and experiencing their emotions. Focus : Empathy is about connection. It requires emotional resonance and understanding without judgment. Example : If your friend is grieving, you might feel their sadness and say, "I can only imagine how painful this must be for you." Sympathy Definition : Sympathy is feeling pity, sorrow, or concern for someone else's situation, but without fully understanding or sharing their emotions. Focus : Sympathy is more distant. It acknowledges the other person’s struggles but doesn’t require emotional alignment. Example : If your friend is grieving, you might feel sorry for them and say, "I’m so sorry for your loss."   Key ...

The first time I asked my maternal grandfather if my father was evil, I was only six years old. He was carrying me up the seemingly endless steps to my school—steps I couldn’t walk up myself because of the weakness in my legs. His answer was subdued, measured. He simply said, “You don’t understand yet.” The weakness in my legs, particularly on the left side, began five months before I started first grade, following nearly four weeks of fever that doctors dismissed as the flu. For decades, no one could explain what was wrong with me—least of all my indifferent parents. It wasn’t until I was 73 years old, after enduring countless misdiagnoses and even outright ridicule, that I was finally diagnosed with Post-Polio Syndrome (PPS). Yet, even with this long-awaited diagnosis, one deeper, more troubling question from my childhood remains unanswered: Who are my parents? When I was seven, I no longer needed to ask if my father was evil—I knew. That certainty came the day he noticed m...

Endothelial dysfunction is a hallmark of several pathological conditions, including cancer, cardiovascular disease, and inflammatory disorders.   The endothelium is a monolayer of cells lining blood vessels that forms a barrier between the blood and surrounding tissues.  The endothelium, which forms the inner lining of blood vessels, plays a critical role in maintaining vascular homeostasis by regulating barrier integrity, vascular tone, and immune responses.  Dysregulation of these processes contributes to disease progression. Recent evidence highlights the role of succinate, a key metabolic intermediate, in regulating endothelial mitochondrial function and barrier integrity. In conditions such as inflammation, cancer, and ischemia-reperfusion injury, aberrant succinate metabolism has been implicated in endothelial dysfunction, revealing its dual role as both a metabolite and signaling molecule. Succinate and its Role in Cellular Metabolism What is Succinate? Succinate i...