Editorials:

Editorial

A. Hoffer, M.D., Ph.D.

Articles:

Effect of Chronic Zinc Intoxication on Copper Levels, Blood Formation and Polyamines

Carl C. Pfeiffer, Ph.D., M.D., Rhoda Papaioannou, M.S. and Arthur Sohler, Ph.D

Biofeedback: Plain as the Nose on Your Face

Steven N. Broder, M.S.

Hyperactivity and the Learning Disabled Child

R. Glen Green, M.D., CM.

The “Ideal” Daily Human Iodine Requirement

W. M. Ringsdorf Jr., M.S., D.M.D., E. Cheraskin, M.D., D.M.D. and F. H. Medfbrd, B.S.

Schizophrenia: Another Long Term Follow-up in Canada

A Hofffer, M.D., Ph-D. and H. Osmond, M.D.

Three Cases of Gilles de la Tourette s Syndrome

Treatment with Chlorimipramine: A Preliminary Report
Jorge Ciprian, M.D.

Making Sense of Some Psychotic Symptoms

Barbara Tinker, Ph.D.

Some Possible Pathways for the Synthesis of trans-3-Methyl-2 Hexenoic Acid

Michael A. Roberts

The Strange Disappearance of Adolf Meyer

Lawrence Davidson, Ph.D.

Muscle Strength as a Function of Exposure to Hue Differences in Visual Stimuli: An Experimental Test of the Kinesoid Hypothesis

Robert J. PeUigrini and Alexander G. Schauss.

In Memoriam:

Dr. Nolan D.C. Lewis 1889-1979

A. Hoffer, M.D., Ph.D.