In a word – Very!!
A diet rich in vegetables supports the following systems:
Cardiovascular: Helps reduce elevated blood pressure and cholesterol, and reduces the incidence of strokes and heart disease
Digestion: A diet high in vegetables boosts the immunity and reduces the potential of digestive disorders like gallstones, IBS and ulcers
Immune System: It reduces the potential of serious disease processes, toxic environmental factors, allergies, antigens and harmful micro-organisms
Metabolic Processes: Reduces the risk of elevated blood sugar, helps keep cholesterol levels balanced, improves energy levels and reduces harmful free radicals
Bones and Joints: It reduces the risk of rheumatoid arthritis, osteoporosis and other joint diseases
Nervous System: A diet high in vegetables reduces the potential of dementia, Alzheimer's disease, emotional mood swings and stress related disorders
Respiratory System: It reduces the potential of bronchitis, catarrh, common cold, hay fever, sinusitis and can also help prevent and reduce asthma