Mental health
fromPsychology Today
5 hours agoLoneliness In Later Life Is a Signal
Loneliness in later life can persist despite contact, reflecting reduced voice, narrowed roles, and diminished visibility after cumulative losses.
Humans have enormous demand for haematopoietic output that is met by a complex cellular hierarchy with HSCs at its apex. Mature blood cells with a finite lifespan are continuously replenished by bone marrow haematopoietic stem and progenitor cells (HSPCs) producing 3 million cells per second in human adults, via a tightly controlled process. Human HSCs are both genetically and functionally diverse with 50,000-200,000 HSCs contributing to haematopoiesis at any one time.
Bryan Johnson emphasizes that while focusing intensely on work, founders can inadvertently hinder their own progress by isolating themselves in a 'monk mode' mentality, which may lead to burnout and decreased productivity.