In this issue: Dietary supplement safety, dry air remedies, frostbite first aid tips and more

HOUSECALL Mayo Clinic is ranked #1 in the nation. Vol. 18, Issue 100 | December 14, 2017   THIS WEEK'S TOP STORIES     Humidifiers: Air moisture eases skin and breathing symptoms Dry sinuses and cracked lips are painful — and common — when the humidity indoors is too low. The good news is that humidifiers can increase moisture in the air. Get the facts.     Supplements: Nutrition in a pill?   Dietary supplements aren't intended to be substitutes for food, but older adults and others may benefit from them. Learn what these pills can and can't do for you.           EXPERT ANSWERS   Demyelinating disease: What can you do about it? Demyelinating diseases, which include multiple sclerosis, result in neurological problems. Discover possible treatments. Flat Belly Diet: Can it help you lose weight? Understand the reasoning behind this weight-loss plan and see whether the diet can help you whittle away your waistline.   PLUS ADDITIONAL HIGHLIGHTS ... Video: What is blood pressure? Polio Hypothyroidism (underactive thyroid) Stroke Frostbite: First aid     TRUSTED HEALTH TOOLS   Use our Symptom Checker to explore possible causes of your symptoms based upon Mayo Clinic's patient care experience.   Use these simple calculators and self-assessments for personalized health tips.   Heart disease risk calculator Mayo Clinic healthy weight pyramid     MAYO CLINIC PRODUCTS & SERVICES   Mayo Clinic: 5 Steps to Controlling High Blood Pressure You're in the driver's seat — you can play a vital role in managing your blood pressure. Mayo Clinic: 5 Steps to Controlling High Blood Pressure can help you understand the many complex issues related to high blood pressure and assist you in making important treatment decisions. Learn more.     SPECIAL ANNOUNCEMENT   Your support network is waiting Have you or has a loved one experienced a stroke? Meet others on Mayo Clinic Connect whose lives have been affected by stroke or other cerebrovascular conditions. Find discussions related to everything from treatment to recovery. Get connected today!     HEALTHY RECIPES   Smoky bean and mushroom cornucopias Carrot and spice quick bread French green lentil salad   HEALTH TIP   Dandruff: Say goodbye to flakes Is dandruff the only thing standing between you and a closet full of basic black? Follow these tips to keep dandruff under control: 1. Shampoo regularly. Use a medicated shampoo if necessary. 2. Learn to manage stress. It can trigger dandruff. 3. Get a little sun. It may reduce your risk of developing dandruff, but be sure to wear sunscreen.   Need practical advice on diet and exercise? Want creative solutions for stress and other lifestyle issues? Discover even more healthy lifestyle topics at MayoClinic.org.   Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Advertising & Sponsorship Policy    |    Opportunities     Give to Mayo Clinic A gift to research at Mayo Clinic is a gift of life. Donate now.     Connect with Mayo Clinic For more of our reliable health information and tools, visit us at MayoClinic.org. Or add us to your social network!   Like us on Facebook Follow on Twitter Discover your Network   Watch on YouTube Patient Stories View More Newsletters     © 2017 Mayo Foundation for Medical Education and Research, 200 First Street SW, Rochester, MN 55905. All rights reserved.