Vitamin D may offer protection against breast cancer

Added 30.01.2009

Research from the University of California, San Diego (UCSD) on cancer data from 107 countries found that "higher blood levels of vitamin D and living closer to the equator were associated with lower breast cancer incidence."

Which form of vitamin D?

There are two major forms of vitamin D: vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). Vitamin D2 is the plant form while vitamin D3 is produced in our body in response to sunlight exposure and can be obtained in small quantities from food. The UCSD study links higher levels of vitamin D3 to lower incidences of breast cancer. Vitamin D3 does this by inhibiting tumour angiogenesis - the growth of new blood vessels necessary for tumour growth).

Reference:

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