Several international meetings have revealed an accumulating body of reference values for
well-established about-daily and about-yearly rhythms of photic origin and evidence also for …

Reasons are given why calcium, obesity and genetics cannot be considered primary factors
in the etiology of essential hypertension. This leaves the major protagonists as salt and …

Blood pressure and heart rate of 15 male shift workers were measured every 15 minutes for
24 hours during three work shifts: morning, 4: 00 AM to noon; afternoon, noon to 8: 00 PM; …

Cardiovascular events occur more frequently in sodium-sensitive patients with essential
hypertension; recently, sodium sensitivity was shown to be a cardiovascular risk factor …

Introduction Motivation to be physically active and sedentary is a transient state that varies in
response to previous behavior. It is not known:(a) if motivational states vary from morning to …

Background and objective Cosinor analysis, developed by Franz Hallberg and colleagues in
the 1960s, allows for the fitting of a cosine curve to data of a known period. Cosinor analysis …

Franz Halberg revolutionalized the field of nutrition by his demonstration that “when” we eat
can make the difference between life and death in the experimental laboratory, and between …

Self-experimentation concerns not only scientists, but also each individual for the sake of
his/her chronobiologic health and science literacy, eventually to be acquired in primary and …

In most of the guidelines by various agencies, a widespread belief exists that underlying
usual blood pressure can alone account for all blood pressure related risk of vascular events …

Originally a remembrance of an elderly physiologist, this paper illustrates the need for a
standardized specification of certain experimental or survey conditions beyond those usually …