Bile acid derivatives can turn on the vitamin D receptor (VDR) without causing excess calcium buildup, researchers report, a finding that could lead to vitamin D therapies for conditions beyond just bone and skin disorders.
"Array of Aging American Aircraft Attracting Attention" discusses the issues that accompany an air force whose fighters have an average age of over 23.5 years - vs. an average of 8.5 years in 1967. One of the most obvious consequences is the potential