Then there are the varied and remarkable phenomena of thymus enlargement and hyperactivity in childhood itself.
"The Glands Regulating Personality"
Louis Berman, M.D.
Food allergies can cause many kinds of symptoms, from sinusitis to psychosis, from asthma to arthritis, from hyperactivity to depression, insomnia to narcolepsy-and commonly the symptoms don't manifest immediately after eating.
"How and When to Be Your Own Doctor"
Dr. Isabelle A. Moser with Steve Solomon
Comparatively little things will cause an outbreak of intense irritation or emotional hyperactivity.
"Nature Cure"
Henry Lindlahr