Part 1 of Essay
Beta-carotene is a member of the carotenoid family and has over 500 relatives. Carotenoids are yellow-to-red pigments found in all green plant tissues and in some species of algae. So far 21 different carotenoids have been found in human blood. The most abundant ones are alpha-carotene, beta-carotene, lutein, lycopene, c ....

Part 2 of Essay
.... that people with low levels of beta-carotene in their blood have a higher incidence of heart disease and cancer, particularly lung cancer. The National Cancer Institute endorsed a study which found that women who consume lots of beta-carotene rich fruits and vegetables have a lower chance of getting cancer, including breast cancer. The Institution says that regularly eating lots of fruits and vegetables plays a key roll in cancer prevention, but whether the preventative action comes from beta-carotene or oth ....