Get the Men's Fitness newsletter!
Ranking the eight best ways to boost your immune system.
Inhale benefits like allergy relief, plus amp athletic performance.
Use a scarf and you might not get sick.
80 million bacteria—that can help keep you flu-free.
Receipts plus hand sanitizer can make you sick, says study.
Restore order to your stomach and beyond.
Plus more of today's top headlines.
Can chicken soup really fight the common cold?