The compound oleuropein, found in olives, could have strong therapeutic potential for people with disorders related to joints, cartilage, and bones.

In older adults, vaccines are generally less effective, and why this happens remains largely unknown. This study finds that spermidine may be used to improve vaccination efficiency in older adults.

Cells treated with NMN after glucocorticoid exposure had improved bone-building markers, indicating that NMN may be a useful therapy to protect against bone loss in people taking glucocorticoids. 

Researchers investigated the impact of a bacterial metabolite on the aging process in worms, using green light exposure to control the activity of genetically engineered bacteria.