![](https://www.mcknights.com/wp-content/uploads/sites/5/2022/01/Doctor_weighing_patient_weightLoss_scale_maleSenior_GettyImages-470621815-e1643351652616-860x483.jpg)
1 in 10 home colon cancer tests can’t be used due to user errors … Probiotics could lower COVID-19 symptoms … Shedding pounds changes microbiome, brain activity … Exercises could ease Parkinson’s patients with swallowing … Editors retract study touting hearing aids to lower dementia risk