Sonoran University's Dr. Soram & Caroline Khalsa Health Sciences Library

06/02/2026

Khan Academy Medicine: While they have undergraduate modules, their dedicated MCAT and health professions sections cover advanced human physiology and biochemistry at a rigorous pace.

Khan Academy is widely regarded as one of the best free educational platforms globally. It shines for its structured, step-by-step math and science courses, self-paced learning dashboard, and test prep. However, it lacks advanced, in-depth conceptual instruction and offers no formal, accredited certificates.

If you want to build core academic foundations, review math, or study for a standardized test without spending a dime, Khan Academy is nearly unbeatable. For career-ready professional certifications, deep university-level courses, or niche skills (like graphic design), you are better off using paid alternatives or platforms like Coursera or Udemy.

Share your videos with friends, family, and the world

06/02/2026

SONORAN UNIVERSITY
KHALSA HEALTH SCIENCES LIBRARY
Tips, Tricks & Tidbits
June 2, 2026
The Library's Weekly Newsletter

05/27/2026

In Bacteria Cyclogeny (1925), German microbiologist Professor Dr. Günther Enderlein proposed the theory of "pleomorphism". He argued that microbes are not fixed, isolated species, but rather share a single, continuous life cycle that shifts forms based on the internal environment or "terrain" of the host organism.

Key Concepts from the Book

The Endobiont & Protits: Enderlein claimed that all living things contain primitive, sub-microscopic protein particles called Protits (later termed the Endobiont). These entities exist symbiotically in healthy blood, but can cycle through different forms.

The Cycle of Development (Cyclogeny): He outlined a developmental progression that starts as invisible Protits, evolves into harmless bacteria, and can eventually escalate into pathogenic bacteria and disease-causing fungi.

The "Terrain" Dictates Health: Enderlein argued that the shift from a harmless, symbiotic Protist to a dangerous, pathogenic state is triggered by a compromised or acidic internal environment.

Dark-Field Microscopy: To support his theories, Enderlein heavily utilized dark-field live-blood analysis to visually track these evolving microbial shapes over time.

Legacy & Context

While Enderlein's work forms the foundational philosophy for several biological and naturopathic medicine traditions today (such as the use of Isopathic/Sanum remedies), his views on cyclogeny sharply contradict mainstream microbiology. Modern science follows a "monomorphistic" view of microbes, concluding that bacteria and fungi do not morph into completely different classes of organisms within the human body.

Günther Enderlein (7 July 1872 – 11 August 1968) was a German zoologist, entomologist, microbiologist, researcher, physician for 60 years, and later a manufacturer of pharmaceutical products. Enderlein received international renown for his insect research, and in Germany became famous due to his ...

05/26/2026

SONORAN UNIVERSITY
KHALSA HEALTH SCIENCES LIBRARY
Tips, Tricks & Tidbits
May 26, 2026
The Library's Weekly Newsletter

05/19/2026

https://naturopathic.org/

Founded in 1985, the AANP represents licensed naturopathic doctors, students, and allied healthcare professionals nationwide.

05/19/2026

SONORAN UNIVERSITY
KHALSA HEALTH SCIENCES LIBRARY
Tips, Tricks & Tidbits
May 19, 2026
The Library's Weekly Newsletter

05/12/2026

Freebookcentre.net contains links to thousands of free online technical books. The books collection are either downloadable or can be viewed online. Our collections include core Computer Science, Electronics, Science, Medical and many more. As examples, follow these links for free books in the categories indicated . . .

Free Online Medical Books : http://www.freebookcentre.net/medical_text_books_journals/medical_text_books_online.html

Free Online Nutrition Books : http://www.freebookcentre.net/medical_text_books_journals/nutrition_ebooks_online_texts_download.html

Free Online Business and Finance Books : http://www.freebookcentre.net/Business/Business-and-Finance-Books.html

Looking for free Business and Finance Books? Download free Business and Finance textbooks, ebooks, and lecture notes in PDF format. Learn basics, advanced concepts, and get an introduction to the subject.

05/12/2026

SONORAN UNIVERSITY
KHALSA HEALTH SCIENCES LIBRARY
Tips, Tricks & Tidbits
May 12, 2026
The Library's Weekly Newsletter

05/05/2026

FREEBOOKS4DOCTORS

While this site might not provide you with all the specific medical books you would wish, we highly recommend you check it out for a variety of great study materials and a few surprises. FreeBooks4Doctors was created to promote the free availability of medical books on the Internet. They welcome comments and suggestions. Currently this site has 370 books, and 5088 medical journal back-issues, organized by topic or rating, there are also many books and journals in a variety of languages. Many are available as downloadable PDFs, and some are available as mobile apps. There is also an app for the site in general. You can sign up for their mailing list for alerts of newly available publications. Explore this fantastic site and make it a favorite for regular visits:

FreeBooks4Doctors: over 300 free medical books and book-like websites. Daily presentations of new books. Free subscription to the book alerts.

05/05/2026

SONORAN UNIVERSITY
KHALSA HEALTH SCIENCES LIBRARY
Tips, Tricks & Tidbits
May 5, 2026
The Library's Weekly Newsletter