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Proof Positive: How to Reliably Combat Disease and Achieve Optimal Health Through Nutrition and Lifestyle

$184.64

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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Return requests must be submitted within 30 days of delivery. Vitamins, supplements and other health-related products must be unused, unopened, sealed and returned in their original packaging.

Opened or used products cannot be returned for health and safety reasons, unless the item arrived damaged, defective or incorrect. Damaged, defective or incorrect items should be reported within 48 hours of delivery.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns. A restocking fee of up to 20% may apply where permitted. Original shipping charges are non-refundable unless the return results from an error on our part.

Refunds are issued to the original payment method after the returned item has been received and inspected. Please allow up to 7 business days for the refund to be processed.

Approved Return Address
Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States
Please contact us before sending a return. Returns sent without prior authorization may be delayed, rejected or returned to the sender.

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Proof Positive: How to Reliably Combat Disease and Achieve Optimal Health Through Nutrition and Lifestyle

$184.64

Who Should Read Proof Positive?

Are you a health-conscious Canadian looking for reliable, research-backed guidance on nutrition and lifestyle? Perhaps you're a healthcare professional seeking a comprehensive reference for your practice, or someone facing a chronic health challenge and exploring holistic solutions. Proof Positive: How to Reliably Combat Disease and Achieve Optimal Health Through Nutrition and Lifestyle is designed for a wide audience—from beginners curious about nutrition science to experienced practitioners wanting to deepen their understanding. This hardcover volume presents evidence in an accessible yet detailed manner, making it suitable for long-term reference. Unlike many books that promote extreme diets, this one emphasizes sustainable changes that fit into diverse lifestyles, respecting individual preferences and needs.

What Is Proof Positive? How to Reliably Combat Disease Through Nutrition and Lifestyle

Proof Positive is a thorough, research-driven resource that explores how diet and lifestyle choices can prevent and manage chronic diseases such as heart disease, diabetes, and autoimmune conditions. Written by Neil Nedley, David Derose, John A. Scharffenberg, and contributors, the book synthesizes decades of clinical studies and observational research. Rather than offering quick fixes, it examines the underlying mechanisms of illness and provides actionable strategies targeting root causes through nutrition, physical activity, stress management, and other modifiable factors. The authors are convinced that scientific evidence overwhelmingly supports the reliability of lifestyle changes to improve health outcomes. This book is not anecdotal; every recommendation is grounded in peer-reviewed research and clinical observations.

Core Topics Covered in This Research-Backed Resource

Proof Positive covers a wide array of subjects essential for taking control of your health:

  • The role of whole plant foods in reducing inflammation, supporting immune function, and protecting against oxidative stress.
  • Macronutrient balance – how ratios of carbohydrate, protein, and fat affect metabolism and disease progression.
  • Micronutrient deficiencies that may contribute to chronic conditions, including vitamin D, B12, magnesium, and omega-3 fatty acids.
  • The gut microbiome and its impact on digestion, immunity, and mental health.
  • Lifestyle factors such as physical activity patterns, sleep hygiene, stress reduction techniques, and social connections.
  • The science of detoxification and how your body’s natural elimination pathways can be supported through diet and lifestyle.

Each chapter builds on the previous, creating a cohesive framework for understanding how daily habits influence health. The authors avoid oversimplification and acknowledge the complexity of human biology while still offering clear, practical takeaways.

Practical Applications and Lifestyle Strategies

Beyond theory, Proof Positive provides practical guidance for implementing changes. You’ll find sample meal patterns, physical activity guidelines, tips for improving sleep, and strategies for managing stress. The book encourages gradual modifications rather than drastic overhauls, recognizing that lasting change comes from consistent small steps. It also discusses common barriers such as time constraints, budget limits, and social pressures, offering realistic solutions. For those dealing with specific conditions, the book includes disease-specific sections that outline how nutrition and lifestyle interventions may support conventional treatments. However, it always recommends consulting a healthcare professional before making significant changes, especially if you are on medication or have advanced illness.

What Makes This Book Different from Other Nutrition Guides?

Many nutrition books rely on anecdotal success stories or one-size-fits-all plans. Proof Positive distinguishes itself by its emphasis on reliability and scientific rigour. The authors have compiled data from numerous clinical trials, observational studies, and meta-analyses, presenting evidence in a way that readers can evaluate for themselves. The book includes references to specific studies, allowing motivated readers to explore the original research. Another unique feature is its holistic perspective: rather than treating diet and lifestyle as separate domains, it shows how they synergistically influence health. This integrated approach helps you see the bigger picture and make choices that compound over time. The question-and-answer format in many sections also helps clarify complex topics, such as controversies around saturated fat, salt intake, and supplementation, with balanced viewpoints based on current science.

Frequently Asked Questions About Proof Positive

Is this book based solely on plant-based diets? While the authors highlight the benefits of plant-rich eating patterns, they do not mandate strict veganism. The book acknowledges that individual needs vary and provides evidence for a range of dietary approaches, including those with modest amounts of animal products for some individuals.

Does the book include meal plans or recipes? It contains general dietary guidelines and sample menus rather than exhaustive recipes. The focus is on principles that can be adapted to any cuisine or preference. Readers seeking detailed meal plans may need to supplement with other resources.

Is the information up to date? The book draws on established research and classic studies in nutrition science. While some specific findings may have evolved since its publication, the core principles—such as the benefits of whole foods, physical activity, and stress reduction—remain well supported.

Can this book replace medical advice? No. Proof Positive is for informational and educational purposes and does not constitute medical advice. Readers are encouraged to work with qualified health professionals to tailor recommendations to their personal health status.

Who is the primary author? Neil Nedley is the lead author, joined by David Derose, John A. Scharffenberg, and additional contributors. Their collective expertise gives the book a multidimensional perspective on health and disease.

Proof Positive: How to Reliably Combat Disease and Achieve Optimal Health Through Nutrition and Lifestyle is a substantial hardcover volume that belongs on the shelf of anyone serious about understanding how daily choices shape long-term wellness. It is a thoughtful, research-driven companion for the journey toward better health.

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Things You Need to Know

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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