I travel everywhere with a reusable filter water bottle. That’s even in the UK. This lets me avoid buying bottled water when the tap water isn’t potable and keeps me safe. It also stops me contributing to the increasing problem of plastic in landfills and oceans. Even when the tap water is good to drink but smells or tastes bad – even of chlorine my filter water bottle gets rid of it for me.
Major airport can provide on-site assistance to and from flights, including wheelchairs; call your airline in advance for details. Some rental car companies offer specially outfitted vehicles with hand controls, wheelchair accessibility, and other assistive devices. Amtrak train service provides added services for passengers with disabilities, as well as a 15% discount on regular travel fares.
The first time we used this business class travel perk was when flying Etihad business class from Dublin. We were visiting family in Limerick and took the bus from Limerick to Dublin. The bus drops off at the Red Cow stop, where we spent the night before our business class flight at the Ibis Dublin. The hotel is on an express bus line that costs €5 per person and takes about 15 minutes. We would need to walk about 7 minutes across the highway overpass, but it is really not that bad of a journey. 

It also helps to know which items are, according to the TSA, considered liquids or gels and thereby subject to the 3-1-1 rule. This isn't as simple as it sounds. Foods such as peanut butter, pudding, mashed potatoes, and icing are classified as gels. Mascara, lip gloss, and aerosol items are also classified as liquids or gels. But keep in mind that liquid prescription medication is exempt. (Read more on that on The TSA Blog.) See a more complete list of liquids and gels that are not permitted in carry-on luggage in quantities greater than 3.4 ounces here. 

It’s a far cry from doctors’ typical jet lag tips ― like avoiding caffeine and alcohol before you try to sleep, slowly adjusting your sleep schedule to a new time zone or even using small doses of melatonin to help fall asleep when your body typically wouldn’t want to, the study’s author Cristina Ruscitto, a researcher in the Department of Psychology at the University of Surrey (and former long-haul air crew member), told The Huffington Post. The idea is, she said, “that you readjust by eating in line with local time ― not just sleeping on local time.” This revelation could be an easy fix for jet lagged travelers everywhere. 
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