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Gay, Straight, and the Reason Why: The Science of Sexual Orientation

$58.74

Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

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Gay, Straight, and the Reason Why: The Science of Sexual Orientation

Gay, Straight, and the Reason Why: The Science of Sexual Orientation

$58.74

What Makes This Book Stand Out?

This volume stands apart for its objective synthesis of evidence from genetics, neuroscience, and psychology. Simon LeVay carefully distinguishes correlation from causation, and doesn't shy away from discussing the methodological limitations of the studies he reviews. Readers value his fair presentation of competing theories, which allows them to draw their own s. The book also includes a helpful glossary and an extensive reference list for those who wish to delve deeper into any of the topics covered.

Overview

How much of our sexual orientation is shaped by biology? In Gay, Straight, and the Reason Why: The Science of Sexual Orientation, Simon LeVay takes you on a fascinating journey through the evidence. This research-driven book explores what determines sexual orientation by examining decades of work from geneticists, neuroscientists, and psychologists. Whether you are a student, a professional, or someone with a keen interest in human behaviour, this book provides a thorough grounding in the current state of knowledge.

Who Should Read This Book?

This book is ideal for psychology and biology students, researchers in human sexuality, healthcare professionals, and anyone with a deep curiosity about the biological basis of behaviour. While the content is solidly scientific, LeVay writes in a clear, engaging style that makes complex ideas accessible. However, a basic familiarity with scientific terms will help you get the most out of the reading experience.

What Does This Book Cover?

The book takes on the nature versus nurture debate directly. It reviews twin studies that point to a genetic component, looks at how hormones in the womb influence brain development, and discusses the search for specific genes linked to sexual orientation. LeVay also examines neuroanatomical differences and the role of environmental factors, presenting a balanced perspective that avoids oversimplification. Each chapter builds on the last, helping readers understand how multiple factors interact.

Frequently Asked Questions

Is this book suitable for a general audience?

The book is written at a level appropriate for college-educated readers. It uses scientific terminology but explains key concepts. Some readers find the wealth of research details challenging, while others praise its depth. If you are new to the topic, you may need to re-read passages, but the effort is rewarding for those who want a solid foundation.

Does the book cover bisexuality and transgender topics?

The primary focus is on sexual orientation toward men or women. Bisexuality is discussed in the context of research, and gender identity is touched on only briefly. If you require extensive coverage of transgender issues, you may need to supplement this volume with other resources.

Disclaimer: This book is for informational purposes only and does not constitute medical or therapeutic advice. Consult a qualified professional for personal health concerns.

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Your payment and personal information are protected using industry-standard SSL encryption, and all payments are securely processed through Shopify-approved payment providers. Prices are displayed in Canadian dollars, and applicable taxes are calculated at checkout.

Orders are generally processed within 1–3 business days. Standard delivery to Canada usually takes 5–15 business days after dispatch. Delivery times are estimates and may be affected by carrier delays, customs processing, weather conditions or other circumstances outside our control. Tracking information will be provided when available.

Return requests must be submitted within 30 days of delivery. Vitamins, supplements and health products must be unused, unopened, sealed and returned in their original packaging. Opened products cannot be returned unless they were delivered damaged, defective or incorrect.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns, and a restocking fee of up to 20% may apply. Damaged, defective or incorrect items must be reported within 48 hours of delivery and may qualify for a replacement or full refund.

Refunds are issued to the original payment method after the returned item has been received and inspected. Refund processing may take up to 7 business days. Before returning any product, please contact our customer support team for return authorization. Returns sent without prior approval may be delayed or rejected.

Approved returns must be sent to:

Return Address Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States

Refused or unclaimed shipments may only be refunded after they are returned and inspected. Original shipping charges, return shipping costs, customs fees and carrier charges may be deducted from the refund where applicable.

Vitamin4CA.com is operated by Cloverlight LLC.

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