As a result, many Hindus are strict vegetarians and avoid any animal ingredients. This includes eggs and fish. Fasting is also common. The reasons for fasting may be related to religious observances. Ayurvedic remedies or homeopathic herbal remedies are used as first-line remedies for diseases. These include spices, herbs, roots and other homeopathic remedies that have no scientific basis. Some Hindus believe in astrology and a predetermined faith. While others may have superstitious beliefs stemming from their