Her Health Bushfire smoke sparks surges in Western Australia hospital admissions Two years later, 988 crisis line has answered 10 million requests A historian explains the science and politics of nutrition facts labels Want the health benefits of strength training but not keen on the gym? Try 'exercise snacking' Is Joe Biden experiencing cognitive decline? Here's why we shouldn't speculate Study finds breastfeeding priorities most important to parents More Black Americans die from effects of air pollution, study shows Despite past storms' lessons, long-term care residents again left powerless CDC: Heat may have contributed to four human cases of bird flu in Colorado Why the election may slow plans to replace lead pipes FACT FOCUS: Trump falsely claims babies can be seen to change 'radically' after vaccination Ultra-processed food makes up almost two-thirds of calorie intake of UK adolescents, finds study Study finds tobacco industry is specifically targeting Arab and Ultra-Orthodox news media in Israel Active commuting linked to lower risks of mental and physical ill health: Strongest benefits seen for cyclists Study suggests reviewing current recommendations that discourage exercise before bed