Herbalists treat a variety of physical conditions, illnesses and allergies through the holistic use of plants in conjunction with medical knowledge. Herbalists treat patients using plant-based remedies and other treatments.Many people around the world rely on herbal medicines to treat health conditions. Countless varieties exist, but some of the most popular include gingko, ginseng, ginger, turmeric, and chamomile. Though their applications tend to be very broad, many of their supposed benefits lack strong scientific evidence.Consuming herbs may help to prevent and manage heart disease, diabetes, it may also help to reduce blood clots and provide anti-inflammatory and anti-tumour properties.