Diets contain naturally occurring antioxidant compounds that can stabilize highly reactive, potentially harmful molecules called free radicals. Free radicals are generated during normal cellular metabolism and result from the metabolism…
Background: Natural killer (NK) cells play a role in natural immunity against tumor and infected cells. Advanced aging is associated with functional impairment of NK cells and increased susceptibility to…
Vitamin A is the generic term for a variety of fat-soluble substances including retinol, retinyl palmitate and the provitamin A carotenoids such as all-trans--carotene. Vitamin A is commonly known as…
OBJECTIVE: To explore the associations of low serum levels of vitamin B12 and folate with AD occurrence. METHODS: A population-based longitudinal study in Sweden, the Kungsholmen Project. A random sample…