HEALTH NEWS   ·         High levels of omega-3, omega-6 may protect against cancer ·         Iron and vitamin D reduce depression risk, while selenium and magnesium raise it ·         Study reveals links between many pesticides and prostate cancer ·         Snooze your way to well-being: Study finds 46 extra minutes of sleep boosts gratitude and resilience ·         Research links ultra-processed foods to accelerated biological aging ·         Gut microbes play key role in regulating stress responsiveness throughout the day, research finds