Genes linked to aging explain why people age at different rates. In data from over a million people, people with genes linked to longevity also had overrepresented genes linked to iron metabolism.

Cultivating happiness and gratitude leads to better physical health outcomes, including fewer sick days and improved subjective measures of well-being over a 3-month study period.

The pharmaceutical drug mifepristone was shown to extend the life of female fruit flies and in the small roundworm, by blocking the effects of inflammatory peptides and shifting metabolism.

Supplementing with 500 mg of cinnamon 3 times per day for 12 weeks improved blood sugar control in people with prediabetes, which could slow the progression from prediabetes to type 2 diabetes.