Mayo Clinic
Mayo Clinic: Seasonal Affective Disorder
This site from the MayoClinic.com provides great information on the seasonal affective disorder, or SAD. The article includes sections such as: overview, signs and symptoms, causes, screening, diagnosis, and treatment.
Georgia State University
Georgia State University: Hyper Physics: Entropy
This informative site is from Georgia State University. The tendency of nature to move towards a more disordered state in an isolated system, a concept known as entropy, is discussed. This concept is well-depicted in meaningful diagrams.
Other
Cosmic Ancestry/the Second Law of Thermodynamics
The differences between thermodynamic entropy and logical entropy are explained, especially how they relate to the second law of thermodynamics. Entropy in biology is also discussed.
Khan Academy
Khan Academy: Holoprosencephaly: Medical Condition With Devastating Consequences
Some practice questions over holoprosencephaly, a medical condition with devastating consequences.
Khan Academy
Khan Academy: Nclex Rn Questions on Iron Deficiency Anemia 2
More practice questions related to iron-deficiency anemia.
CK-12 Foundation
Ck 12: Life Science: 11.30 Cardiovascular Health
Learn about some health problems related to a person's cardiovascular health.
University of Sydney (Australia)
Entropy and the Second Law of Thermodynamics [Pdf]
A set of printable pdf pages from the University of Sydney's "Thermal Physics Module" site. Entropy is defined and explained conceptually. The mathematical treatment of entropy is introduced. The second law of thermodynamics and its...
Victorian Web
Victorian Web: Conservation of Energy and Thermodynamics
This site is about the trace of the evolution of historical ideas concerning energy conservation and the laws of thermodynamics.
Other
National Anxiety Foundation
This is the Home Site to the National Anxiety Foundation which provides information on anxiety and also links to other Anxiety Disorder Sites.
Other
Web Dictionary of Cybernetics:thermodynamics
A definition of thermodynamics and its laws from the Web Dictionary of Cybernetics and Systems. Part of an online dictionary of scientific terms. Includes hypertext links to other definitions are provided.
Sophia Learning
Sophia: Identify Examples of Entropy
This lesson will explain how to identify changes in entropy and provide examples of entropy change.
Other
Mental Help Net: Obsessive Compulsive Disorder
In addition to defining and describing obsessive-compulsive disorder (OCD), this website provides explanations as to why OCD is often misdiagnosed. Learn what "obsessions" and "compulsions" are and learn how to detect the signs and...