Falling birth rates reveal a deeper social problem: many people who want children feel blocked by economic, housing, gender, and climate pressures. Birth rates have been falling around the world since the height of the baby boom that followed the Second World War. In many places, including Australia, they are now below replacement level. In [...]

Collagen supplements may help with some skin, joint, and muscle outcomes, but current evidence is uneven and still limited. Collagen supplements have become some of the wellness industry’s most popular products, with claims that they can support smoother skin, healthier joints, and more. But do they actually work? A large new evidence review, which combined [...]

Researchers found that an Alzheimer’s-related biomarker may influence how hormone therapy affects dementia risk. Hormone therapy is commonly used to ease menopausal symptoms, including hot flashes and night sweats. Whether it affects the risk of dementia has remained a long-running question. A new study offers another clue. It suggests that an Alzheimer’s biomarker could help [...]