Hanuary 2021. Chronic kidney disease ; Substance use disorder ; LGBTQ health ; Pancreatic cancer ; Second opinion -- February 2021. Head and neck cancers ; Vaccines ; Coronavirus grief ; Nasal irrigation ; Second opinion -- Special report : Race and health -- March 2021. Eye emergencies ; Testosterone uses in men and women ; Aging in place ; Second opinion -- April 2021. Dizziness and vertigo ; Ultrasound's rapid advancement ; Dermatitis ; Positive airway pressure devices ; Second opinion -- May 2021. Blood pressure ; Central sensitization ; Normal-pressure hydrocephalus ; Seeds ; Second opinion -- Special report : Depression and anxiety disorder -- June 2021. Dental implants and crowns ; Migraine ; Inhalers ; Second opinion -- July 2021. Peripheral neuropathy ; Improving your balance ; Lichen sclerosus ; Healthy cooking oils ; Second opinion -- August 2021. Health tips ; News and our views : An array of arrhythmias -- Special report : Parkinson's disease -- September 2021. Barrett's esophagus ; Fungal lung infections ; Massage therapy ; Abuse at home ; Second opinion -- October 2021. Stable angina ; Prep for holiday eating ; Vitamin B-12 ; Family estrangement ; Second opinion -- November 2021. Colorectal cancer screening ; Breast cancer and lymphedema ; Root canals ; Second opinion -- Special report : Live younger longer -- December 2021. Melanoma ; Urinary tract infections ; Frozen shoulder ; Second opinion.