Seaweeds are consumed by coastal people, particularly in East Asia, e.g. Japan, China, Korea, Taiwan, and Singapore, and Southeast Asia, e.g. Brunei, Thailand, Burma, Cambodia, Vietnam, Indonesia, and Malaysia, and also in South Africa, Belize, Peru, Chile, the Canadian Maritimes, Scandinavia, South West England, Ireland, Wales, California, Philippines, and Scotland.
Seaweeds may be used as fertilizer, compost for landscaping, or a means of combating beach erosion through burial in beach dunes. Seaweed is under consideration as a potential source of bioethanol. in addition to these benefits, seaweed also beneficial to health such as the following:
The presence of lignans in seaweed can help to reduce the risk of breast cancer. Lignans inhibit blood cell growth and prevent fast growing tumors from entering the bloodstream.
In addition to lignans, seaweed is a very good source of the B-vitamin folic acid. Studies have shown that diets high in folate-rich foods are associated with a significantly reduced risk for colon cancer.
Prevent Cardiovascular Disease
Seaweeds are a good source of magnesium and folic acid which have been shown to reduce high blood pressure and the risk of heart disease.
Seaweed contains sulfated polysaccharide called Fucoidan that have been shown to reduce inflammation which can contribute to a host of ailments such as asthma, arthritis, celiac disease, and depression.