National Institute of Arthritis and Musculoskeletal and Skin Diseases

Ten years of hip scans place coffee's bone-density signal above five cups a day

Flinders University followed nearly 10,000 women over 65 for a decade and found tea drinkers with slightly denser hips, while coffee tracked with thinner bone only past five cups a day. That is a statement about dose, pinned to intake above five cups a day.