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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
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An important contribution to the ongoing debate over the origins of mental illness, this book is based on the largest study ever of identical twins in which one was ill and the other not. The book provides compelling evidence that both schizophrenia and manicdepressive disorder are biologically based diseases of the brain, unrelated to psychological influences.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
