Vitamin D levels may modify risks genes for macular degeneration. Adults with the lowest concentrations of circulating 25-hydroxyvitamin D (25OHD) had the highest risk for age-related macular degeneration (AMD), according to a new systematic review and meta-analysis published online April 2 in Maturitas. “The findings of the present meta-analysis strengthen the idea that there might be…
Key insights into the ‘master’ antioxidant: Glutathione (or GSH in its reduced form) is a tri-peptide (cysteine, glycine, and glutamic acid) found in most cells. GSH has many roles, including: Recycles other antioxidants, such as vitamins C and E A prime intracellular position to neutralise free radicals, which can build up in cells and cause damage Support…
How old are your bones? 10 years The skeleton is constantly replacing itself, explains Dr. Peter Selby, an osteoporosis expert base at Manchester Royal Infirmary in the UK. It takes about 10 years to do this completely. Old bone is broken down by cells called osteoclasts and replaced by bone-building cells known as osteoblasts. At…
