David Winston, RH (AHG) teaches classes in herbal medicine throughout the United States, Canada and Europe.  Below is a partial list of topics along with descriptions.  Please feel free to contact us for information regarding fees and/or date availability.

Herb / Drug Interactions and Herb Toxicity: Myths, Facts and Theory

The press is full of alarmist stories about the dangers of herbs.  The concept of herb/drug interactions has medical associations, hospitals, and physicians extremely worried that the lives and...

Tick-Borne Diseases: Their Effective Treatment, including the Use of Botanical and Complementary Therapies

I will be discussing the history and current understanding of tick-borne diseases such as Lyme Disease, Ehrlichiosis and Babesiosis. We will examine both the current conventional approaches to...

Herbs and Supplements for Treating Environmental Disease

In our increasingly polluted world, we see the significant and worrisome results of heavy metal toxicity, indoor pollutants and sick building syndrome, iatrogenic (drug-induced) disease and other...

Adaptogens, Herbs for Strength, Stamina and Stress

Relief - In our modern world we live such stress filled lives. Stress   is now  seen as an initiator and cofactor for much of our chronic degenerative disease. Stress reduction...

Making Love - An Herbal Guide to Sexual Health

Healthy sexual functioning is one of the components of a happy, healthy, and long life.  Too many people ignore anorgasmia, premature ejaculation, or erectile dysfunction. With the advent of...

Insulin Resistance and Metabolic Syndrome: The Causes, the Risks and Effective Treatment

Insulin resistance and the resultant problems that stem from this condition have been linked to obesity, diabetes, cancer, chronic digestive insufficiency, heart disease, atherosclerosis and immune...

Botanical / Nutritional Protocols for Insomnia and Other Sleep Disorders

Sleep is one of the foundations of good health.  Chronic sleep issues not only make us feel tired, grumpy and irritable, research has clearly shown over the past 30 years that poor quality or...

Herbal/ Nutritional Gastroenterology

In this class we will discuss simple but effective clinical protocols for treating common ailments affectin the eyes (conjunctivitis, blepharitis), ears, (otitis media), nose (sinusitis, allergic...

Botanical and Nutritional Therapies for Thyroid Dysfunction

 Hypothyroidism, hyperthyroidism and autoimmune thyroid diseases (Graves Disease, Hashimoto's Thyroiditis) have become increasingly common.  Whether this is due to increased recognition,...

Herbs for Women's Health

David will address many women's complaints not easily alleviated by western medicine but for which herbalism has an array of alternative treatments: PMS, cramps, menopausal symptoms, fibroids,...

Differential Diagnostics for the Herbalist

In traditional medical systems, differential diagnosis provides the necessary clues for accurate prescribing.  This class will give the herbalist basic skills in Chinese facial, tongue, iris,...

Native American Medicinal Herbs

Learn about the indigenous use of plants of Eastern North America – with a presentation showing well-known (Goldenseal, Black Cohosh, Ginseng) and little-known (Turtlehead, Usnea, Sundew)...

Definite Medication: Specific Herbs for Specific Symptom Pictures

While modern diagnostics can provide invaluable clinical information, they fail to provide a complete picture of patients and their illnesses.  Over 140 years ago, J. M. Scudder , M.D. and Eli...

The Alchemy of Herbs

Utilizing Chinese, Ayurvedic and European Alchemy we will explore how to change one herb into five different medicines, how to detoxify herbs, increase specific organ activity, increase...

Talking Leaves... The Language of Plants

Indigenous peoples have long known the best way to learn about plants is from the plants themselves.  We will explore the three languages of plants (the physical, symbolic and subtle) and learn...

The Energetics of Herbs - The Ten Tastes

All indigenous systems of medicine utilize a system of energetics to understand a herb's properties and its effects on each person's unique symptoms.  Drawing from both Cherokee and Chinese...

Men's Health Issues: Herbal Threatment for Common Genito-Urinary Problems

Men's health is often ignored and men often ignore their health.  In this class we will discuss specific problems and issues surrounding men's health, sexuality, and physiology.  Herbs,...

Walk on the Wild Side

A wonderful opportunity to see, taste, touch and smell your local plants and become acquainted with their edible, medicinal and useful qualities

Specific Medication - A Summary and Comparison of the Female Reproductive Tract Remedies

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

Specific Medication - A Summary and Comparison of the Genito-Urinary Tract Remedies

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

Specific Medication - A Summary and Comparison of the Respiratory

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

Specific Medication - A Summary and Comparison of the Cardiovascular System Remedies

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

Specific Medication - A Summary and Comparison of the Digestive System Remedies

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

Specific Medication - A Summary and Comparison of the Liver Remedies

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

Specific Medication - A Summary and Comparison of the Immune System Remedies

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

Specific Medication - A Summary and Comparison of the Skin and Peripheral Circulation System Remedies

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

Specific Medication - A Summary and Comparison of the Endocrine System Remedies

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

Specific Medication - A Summary and Comparison of the Nervous System Remedies

The Eclectics developed a precise system of treating illness called Specific Medication.  Based on "symptom pictures", we will learn which specific herbs are beneficial for your own or your...

American Extra Pharmacopoeia

Many popular native species are endangered or threatened by over-harvesting.  Many aggressive weedy species of plants are invasive and damage the environment.  In this class we will learn...

The History of American Botanical Medicine

In the last 200 years the United States has been the location of a dramatic struggle in healthcare.  Today we are experiencing a battle for healthcare freedom, seeing the commercialization of...

The Ritual Use of Herbs

Herbs can be used not only as physical medicines, but ritual medicines as well.  We will explore the ceremonial use of herbs in Native American and other indigenous cultures, how they are used...

Differential Treatment of Depression and Anxiety with Botanical and Nutritional Medicines

It seems almost everyone in our country is either depressed, anxious or both.  We live in a very stress filled society and the mainstream solution is to take a pill.  What if you don't want...

Cross-Cultural Ethnomedicine - A Deeper Understanding of Health and Healing

The concept and meaning of the word "medicine" changes from culture to culture.  In this class we will compare orthodox western medicine, complementary and alternative medicine, Native American...

Herbs and Nutrition for Healthy Aging

As our population continues to age and we look for ways to maintain our health into our 70s, 80s and 90s, herbs, diet, lifestyle choices and nutrition are essential to preventing and treating...

Medicinal Mushrooms in Clinical Practice

In China and other Asian countries mushrooms are not only commonly used for food but also as medicines. Some Native American and European cultures also have used fungi for their medicinal...

Alternatives, Depuratives, and Antidyscratics

The concept of an alterative was a very prominent part of western medicine up until the early 20th century.  Alterative medicines were used to help alter an unhealthy state in the body to a...

Little-Known Uses of Common Medicinal Plants

It is common for people to attach soundbites of information to an herb and think they understand its uses.  Milk Thistle is the liver herb, St. John's wort the depression, herb. ...

The Use of Herbs as Topical Applications

The effective use of herbs for treating disease is not limited to internal use.  Herbs (as well as clay) have been used as poultices, infused oils, baths, liniments and ointments since the...

ADHD-The Facts, Fallacies and Treatment Options

According to statistics 3-5 % of children (and adults) have ADHD.  If you look into America's classrooms, the number of children diagnosed with this condition and on medication to treat it is...

The Use of Herbs and Complementary Therapies for Treating Chronic Back and Neck Pain

Chronic back and neck pain are very common and the leading cause of missed work in the US.  Orthodox medicine often does not offer significant relief &, while chiropractic & massage...

Herbal / Nutritional Approaches to Cancer Treatment: A Work in Progress

Digestion is the foundation of life and health.  In my years of practice, over 60% of my patients have had digestive problems including achlorhydria, hyperchlorhydria, gastric ulcers, slow...

Herbal Therapies for the Eyes, Ears, Nose and Throat

In this class we will discuss simple but effective clinical protocols for treating common ailments affecting the eyes (conjunctivitis, blepharitis), ears, (otitis media), nose (sinusitis, allergic...

Treatment of Bacterial MDR (MRSA, PRSA) with Botanical Therapies

MRSA and other antibiotic resistant infections have become the latest health scare. Newspapers report new cases of infections, schools are scrambling to protect students andhealth care facilities are...