Boron B Atomic Number: 5 Atomic Weight: 10.8 _____________________________________________________________________________ Human Physiology: - Only very scant amounts required - Promotes healthy bone metabolism - Needed for proper function of ovaries, testes, and adrenals - RDA: 1-15mg/day Prevalence: - More abundant in seawater than earth's crust Source: - Non-citrus fruits - Légumes - Nuts - Wine - Vegetables, esp. avocadoes Deficiency: - Decreased mental alertness - Increase magnesium and copper requirements - Decreased bone density - Increased risk of prostate cancer Excess: - Vitamin B6 & B12 deficiency - Diarrhea, nausea, and vomiting - Anemia - Dermatitis - Reproductive organ abnormalities - Edema, seizures, fatigue