Karlis Ullis

Karlis Ullis nsIn human thermodynamics, Karlis Ullis (1959-) is an American sports medicine and anti-aging physician note for his chapter “The Critical Point and the Theory of Human Thermodynamics”, of his 1999 book Age Right, where he compares people to physiological engines or anabolic biomachines, outlining a thermodynamic human lifespan perspective, wherein he attempts to connect entropy to a critical point theory of a balance between anabolic and catabolic states.

Human body entropy
See main: Human entropy
Ullis notes that human bodies (as human systems) are open systems and postulates that a person's resting metabolic rate is representative of the amount of heat or entropy that one produces. In addition, he reasons that when a body is ill, e.g. with a high fever, or at high levels of stress, that the body “has excessive entropy (disorder)”, and that to remedy this the body decelerates various anabolic repair functions to focus on the issues of cellular disorganization at hand.

Thermodynamic triangle of life
Ullis argues that all of human life fits into a “thermodynamic triangle” of three phases: (a) Conception and childhood; (b) Sexual maturation and reproduction; and (c) Post-reproduction and decline. On this model, Ullis argues that the development of an embryo corresponds to the development of cellular organization, which he defines as a “state of antientropy or extropy”, and that this building of organized biological structures, culminates in sexual maturation and reproduction. Following this, according to Ullis, the human organism stays in a state of biolimbo for a period before reaching a critical point, at about the age of forty, ± 5-years, wherein after order turns to disorder, which he equates with anabolism turning to catabolism or regeneration to degeneration.

Difficulties on theory
Ullis’ theory, to note, is composed mostly of verbal analogies on the metaphor of entropy equals order/disorder of the Boltzmann-Planck perspective. Ullis has limited understanding of thermodynamics, citing Sadi Carnot as the one who developed the second law, whereas the correct developer is Rudolf Clausius.

The important point of Ullis' chapter is that it is one of the first publications to use the term “human thermodynamics” in a functional sense, as branch of science, albeit in a exercise physiology perspective; the only other uses of the term prior to this being C.G. Darwin (1952) and Gustave-Adolphe Hirn (1893).

1. Ullis, Karlis (1999). Age Right - Turn Back the Clock with a Proven Antiaging Program, (ch. 4: The Critical Point and the Theory of Human Thermodynamics, pgs. 32-45, section: "Human Thermodynamics", pg. 34-36). New York: Simon & Schuster.

● Ullis, Karlis. (2008). “Love-Bonding Sexual Hormone: Oxytocin” (V), ullisboy, Oct 17.

External links
Karlis Ullis – Linked In
UllisBoy – YouTube channel.

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