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 Experts Opinions
Antibiotics in the travel kit: When should travelers actually take them?

Published on 29/09/2026 |  Synthesis  | GNM Editorial Team 1 min.

Travelers’ diarrhea can disrupt even a carefully planned trip. Providing a standby antibiotic may offer reassurance, but travelers also need to understand when to use it. The CDC Yellow Book 2026 emphasizes an approach based on how illness affects daily activities, offering a useful framework for...

 Experts Opinions
Don't wait to build your travel medicine resource library

Published on 15/09/2026 |  Synthesis  | Dr Sherilyn Houle 1 min.

Changing travel trends, disease transmission patterns, vaccine and medication availability, and safety and security risks mean that travel health professionals must regularly consult up-to-date resources as part of providing patient care. Here are some tips for building your own travel medicine resource...

 Experts Opinions
Gluten-free while on the go

Published on 25/08/2026 |  Synthesis  | Dr Sherilyn Houle 1 min.

A sizable proportion of travellers avoid gluten for various reasons, including celiac disease (prevalence estimated at 0.5% to 1% of the general population), IgE-mediated wheat allergy (0.3% to 1.2% prevalence), and nonceliac gluten sensitivity (0.2% to 13% prevalence), among others. Adherence to a gluten-free...

 Experts Opinions
Medication use in a warmer world

Published on 11/08/2026 |  Synthesis  | Dr Sherilyn Houle 1 min.

Moderate to strong El Niño conditions are being fueled by warm ocean waters, leading to predictions of increasing global temperatures and more extreme weather and rainfall patterns. Above average temperatures are forecast worldwide from June to August 2026, with 90% or higher probabilities for...

 Experts Opinions
Smooth sailing: Essential tips to stay healthy on a cruise

Published on 21/07/2026 |  Synthesis  | Dr Sherilyn Houle 1 min.

Over 37 million cruise vacations were estimated to be taken in 2025. While cruises offer relaxation and adventure, their close quarters, shared facilities, and high-touch surfaces can facilitate the spread of illness, with recent headlines about hantavirus and norovirus outbreaks as examples. Here, we...